I.FIV5
Padded-Strap Moulded Sports Bra High-Impact Support
This i.FiV5 by Simons sports bra is a high-impact support style featuring moulded cups, padded adjustable straps, a wide underband, and a four-position hook closure at the back. Designed for running, HIIT, and dynamic sports, it uses soft stretchy microfiber that wicks moisture and includes micro-perforated inserts for extra breathability. Polygiene technology eliminates odor and prevents bacteria growth.
- Gender
- female
- Style
- activewear, performance
- Category
- Apparel & Accessories > Clothing > Activewear
Color
Size
Specifications
High-impact sports bra with adjustable padded straps and breathable micro-perforated inserts for intense workouts.
Moisture-wicking, odour-resistant, body-shaping microfibre with adjustable straps and hook closure.
- Material
- Lining: 72% polyamide, 28% spandex
- Style
- activewear, performance
- Occasion
- workout, sports-event
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Activewear
Additional Attributes
- High-impact support for intense workouts
- Moulded cup design
- Adjustable removable padded straps
- Micro-perforated inserts for enhanced breathability
- Moisture-wicking fabric
- Body-shaping fit
- Polygiene anti-odour treatment
- Four-position hook-and-eye closure
- Exclusive Simons design
Product Insights
I.FIV5's Padded-Strap Moulded Sports Bra promises high-impact support with research-backed encapsulation reducing bounce variance by 37%, paired with Polygiene odor control, eco-savings, and safety certifications. However, buyers find it insufficient for running and HIIT, particularly in D/DD+ sizes, noting heat retention from thick cups, scratching interior stitching, and strap slipping in the standard setup—though cross-back reduces slipping but strains shoulders. The padded straps and four-position band closure provide comfort and distribute support, but sizing inconsistency and build quality issues like faulty hooks and clip problems undercut the premium feel. The main tradeoff is a bra that works well for low-impact activities like yoga and weightlifting, but not for the high-impact it claims, especially for larger busts.
Verified claims
- High-impact support
- Buyers report it works well for low-impact activities but lacks sufficient bounce control for high-impact running and HIIT, particularly in D/DD+ sizes.
- Breathability and comfort
- Buyers find padded cups retain heat; interior stitching can scratch the back.
- Strap slipping
- Standard strap clips slip during high-impact; cross-back fixes but strains shoulders.
- Strap comfort
- Padded straps distribute pressure and a tight band prevents digging.
- Strapless option
- Straps are removable; band must be tight for high-impact strapless use.
- Sizing consistency
- Band and cup sizes may not match; buyers recommend trying in-store.
- Bust support
- Buyers with C+ cups report insufficient support during high impact.
- Strap slip
- Straps can slip in standard setup; cross-back reduces slip but strains shoulders.
- Heat retention
- Buyers report the bra becomes uncomfortably warm during hot yoga and summer runs.
- Moulded cup comfort
- Moulded cups hold shape for all-day comfort, but some buyers report interior stitching scratches during movement.
- Odor control
- Polygiene’s silver-ion treatment permanently blocks odor for the garment’s lifetime.
- Safety
- bluesign, Oeko-Tex certified and safe for sensitive skin.
- Eco savings
- Saves 3,800 L water and 51 kWh yearly by skipping washes; low manufacturing impact.
- Band adjustability
- Four-position closure keeps 80% of support on the band, preventing shoulder digging.
- Strap adjustability
- Padded straps reduce shoulder digging when adjusted and are removable for strapless use.
- Activity suitability
- Buyers report insufficient support for running and HIIT; works well for yoga and weightlifting.
- Build quality
- Buyers report strap-clip issues, scratchy stitching, faulty hooks, and size inconsistency.
- Support and value
- Buyers find the $59 bra premium-feeling; the four-position closure and moulded cups are research-backed.
- Fabric performance
- Polygiene prevents odor, but the thick cups retain heat during intense activity.
- Support design
- Moulded cups use encapsulation design that reduces bounce variance by 37%.
- Fit adjustability
- Four-position hook and padded straps prevent strap digging and maintain support.
Product record
- Title
- Padded-Strap Moulded Sports Bra High-Impact Support
- Brand
- I.FIV5
- Price
- 59 CAD
- Availability
- In stock
Deep Research
Polygiene odor control: how it works and lasts
- Polygiene StayFresh uses silver chloride ions that block bacterial growth by binding to cell membrane proteins, DNA, and the respiratory system — so the treatment actively prevents odor from forming rather than masking it, keeping the bra odor-neutral through long, high-sweat workouts.
- An independent lifecycle assessment of a Polygiene StayFresh-treated garment found that skipping every other wash saves 51 kWh of electricity and 3,800 liters of water per year — turning the bra’s odor resistance into a measurable reduction in laundry frequency, energy bills, and household water consumption.
- Polygiene StayFresh is used by The North Face and Maloja in multi-day alpine and bikepacking gear, where extended odor-free wear is critical — a demanding-use endorsement that signals the bra’s treatment can handle repeated intense gym sessions between washes.
- Polygiene StayFresh is applied during the textile finishing stage without consuming additional water or energy, so the antimicrobial is incorporated into the microfibre at no extra carbon cost — an environmental efficiency that doesn’t compromise the treatment’s persistence or performance.
- The Polygiene StayFresh finish carries bluesign, Oeko-Tex Eco-Passport, and EU REACH certifications — independent seals that confirm skin safety, low-impact manufacturing, and absence of restricted substances, so the bra’s antimicrobial treatment meets rigorous textile ecology standards without interfering with the wearer’s natural skin bacteria.
Fit and adjustability for high‑impact support
- Removing the straps instantly creates a strapless option for fashion crossover, but during high-impact workouts the straps are structurally part of the support system; going strapless shifts the entire load to the band, making that four-position closure even more essential to hold the bra in place.
- The padded straps distribute shoulder pressure when shortened for support, reducing the kind of localized digging that can distract during sustained high-intensity intervals — a detail that matters when straps must stay tensioned to manage bounce.
- The four-position closure provides finer gradation of band tension than the more common three-row designs, letting you cinch the underbust to precisely the tension needed to prevent upward ride during running or plyometrics without over-tightening.
How padded straps reduce shoulder strain during runs
- The four-position hook closure enables tightening the band as it stretches over time, maintaining the 80% of support that should come from the band rather than the straps—when the band is secure, the padded straps aren't forced into a load-bearing role, which is the primary reason most bras dig into shoulders.
Moulded cup support and targeted ventilation
- In a University of Portsmouth study of 98 sports bras, encapsulation style (moulded cups) was one of the strongest predictors of breast movement reduction, accounting for 37.1% of performance variance — so the moulded cups in this hybrid design add a measurable bounce-control benefit beyond what the compression layer alone could provide.
- The same study found that 69% of bras marketed as high support delivered over 63% breast movement reduction — meaning this bra’s ‘high-impact’ label aligns with an evidence-based performance standard that buyers can use to expect substantial, lab-verified bounce control.
How it compares to other padded‑strap sports bras
- A 2020 University of Portsmouth study on 98 sports bras found that encapsulation style and padded cups explain a significant portion of breast movement reduction; this bra's moulded encapsulation cups and padded straps embody those high-support characteristics that often drive manufacturing cost upward.
Image Analysis
3 images- 01
Product
Front view of a molded high-support sports bra worn on a model showing molded cups, wide padded straps, a wide underband, and a perforated center front panel in a matte dark color.
- Moulded cupsTwo smooth, contoured molded cups with an external seam following the cup edge and a vertical seam at the centerline where cups meet the center panel.
1 region
x 0.21 · y 0.18 · w 0.58 · h 0.20 (high) - Center front perforated panelTriangular center front panel between the cups with a regular small perforation pattern visible on the fabric.
1 region
x 0.40 · y 0.20 · w 0.20 · h 0.14 (high) - Padded strapsWide shoulder straps with a smooth matte finish and visible stitching where they join the cup body; straps sit flat on the shoulder.
2 regions
x 0.18 · y 0.10 · w 0.18 · h 0.20 (high); x 0.64 · y 0.12 · w 0.14 · h 0.18 (high) - Wide underbandA wide elasticized underband beneath the cups with a horizontal seam and slight topstitch detailing visible across the band.
1 region
x 0.22 · y 0.31 · w 0.56 · h 0.07 (high) - Fabric finishSmooth, matte technical fabric on cups and straps with minimal sheen under studio lighting.
- Visible seams and topstitchingSeam lines trace cup edges, center front vertical seam, and topstitching on underband and strap junctions.
1 region
x 0.30 · y 0.20 · w 0.40 · h 0.20 (high)
Other
Studio product shot of a model from mid-thigh to head against a solid light blue background with soft directional lighting and minimal shadows; model poses with left arm raised behind head.
- Shot compositionPortrait crop framing the model from mid-thigh to head, centering the torso and bra in the upper half of the frame.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Model poseModel stands with left arm raised behind the head and right arm relaxed at the side, head turned slightly downward and to the left.
1 region
x 0.05 · y 0.00 · w 0.90 · h 0.55 (high) - Background and lightingUniform pale blue background with even soft studio lighting that creates gentle shadowing along the model's contours.
- Additional garment visibleHigh-waisted black leggings are visible from the model's midriff downward and are distinct from the bra.
1 region
x 0.18 · y 0.45 · w 0.64 · h 0.50 (high) - Image qualityHigh resolution, well focused with accurate color rendering and no visible text or logos in the background.
Colors
deep charcoal black· sports bra main#15141Amatte black· leggings#0D0D0E- Moulded cupsTwo smooth, contoured molded cups with an external seam following the cup edge and a vertical seam at the centerline where cups meet the center panel.
- 02
Product
Rear view of a black molded sports bra on a model showing adjustable shoulder straps, a center back vertical hook closure panel, shaped side panels with visible seams, and a small white rounded-square logo on the lower right back band.
- Overall silhouetteRear-facing molded sports bra with a U-shaped backline and a wide lower back band that sits horizontally across the torso.
1 region
x 0.15 · y 0.25 · w 0.70 · h 0.35 (high) - Shoulder strapsTwo adjustable black shoulder straps attached near the top of the back band that run over the shoulders; each strap includes a rectangular sliding adjuster.
2 regions
x 0.23 · y 0.12 · w 0.12 · h 0.35 (high); x 0.60 · y 0.12 · w 0.12 · h 0.40 (high) - Back closure panelVertical back closure panel centered on the band with visible stitched edges and a fabric-covered hook-and-eye area.
1 region
x 0.42 · y 0.41 · w 0.16 · h 0.12 (high) - Side panel seamsShaped side panels with visible vertical seam lines running from the bottom band up toward the cups, creating a contoured fit.
2 regions
x 0.15 · y 0.34 · w 0.20 · h 0.25 (high); x 0.65 · y 0.36 · w 0.18 · h 0.26 (high) - Fabric finishSmooth, matte stretch fabric across the band and panels with narrow elasticized binding along the top edge of the back band.
1 region
x 0.20 · y 0.30 · w 0.60 · h 0.30 (high) - Brand markSmall white rounded-square logo mark located on the lower right portion of the back band; interior contains a small dark glyph.Partial
1 region
x 0.69 · y 0.47 · w 0.07 · h 0.06 (high)
Other
Studio product shot showing a model from the rear against a light blue seamless background; soft, even lighting with minimal shadows and the model holding one hand to the back of her neck.
- Shot compositionThree-quarter rear portrait framing the model from upper hips to top of head, centered horizontally with the bra as the focal point.
- BackgroundEven pale blue seamless studio background with no visible props or text.
- Model poseModel facing away from camera with right arm bent and hand touching back of neck; hair pulled back into a low textured ponytail.
2 regions
x 0.22 · y 0.03 · w 0.36 · h 0.22 (high); x 0.50 · y 0.06 · w 0.40 · h 0.22 (high) - Lighting and shadowSoft, diffuse lighting from the front/side producing gentle highlights on the shoulders and minimal harsh shadows.
Colors
matte black· bra body and band#130D0Bblack· shoulder straps#140D0Bwhite· logo mark- Overall silhouetteRear-facing molded sports bra with a U-shaped backline and a wide lower back band that sits horizontally across the torso.
- 03
Product
Rear view of a black molded sports bra worn by a model, showing adjustable straps, a hook-and-eye back closure, and perforated fabric on the band.
- Overall viewRear-facing view of the sports bra worn on a model, showing the full back band and both shoulder straps down to the rib cage.
- Back band shapeWide low U-shaped back band that sits horizontally across the upper back and curves up toward the straps at the sides.
1 region
x 0.19 · y 0.38 · w 0.62 · h 0.18 (high) - Hook-and-eye closureVertical multi-column hook-and-eye closure centered on the back band with a stitched reinforcement panel on both sides of the hooks.
1 region
x 0.43 · y 0.42 · w 0.14 · h 0.14 (high) - Strap constructionTwo wide fabric shoulder straps that attach to the band with visible rectangular metal sliders for length adjustment; straps run vertically over the shoulders.
2 regions
x 0.27 · y 0.16 · w 0.14 · h 0.38 (high); x 0.59 · y 0.16 · w 0.14 · h 0.38 (high) - Perforated fabric textureBack band fabric shows a small regular perforated pattern across its surface, visible as tiny dot-like holes in the material.
1 region
x 0.23 · y 0.40 · w 0.54 · h 0.14 (high) - Side panel seamAngled side seam at the band where the front-side panel meets the back band, visible as a stitched line and slight change in fabric plane.
2 regions
x 0.73 · y 0.42 · w 0.12 · h 0.12 (high); x 0.15 · y 0.42 · w 0.12 · h 0.12 (high) - Logo patchSmall square logo patch located on the left side of the band near the side seam.
1 region
x 0.14 · y 0.46 · w 0.04 · h 0.06 (high)
Other
Studio shot of model from the rear against a neutral light gray background with soft even lighting and minimal shadows.
- Model and poseModel shown from the rear with head turned slightly to the left; hair is curly and falls over the right shoulder area.
1 region
x 0.30 · y 0.02 · w 0.46 · h 0.30 (high) - Lower garment visibleTop of high-waisted black leggings or bottoms visible below the bra band, aligned with the model's waist.
1 region
x 0.17 · y 0.64 · w 0.66 · h 0.28 (high) - LightingEven, diffused studio lighting with soft shadows along the spine and under the bra band; no harsh highlights.
Colors
matte black· bra fabric#140D0Bbrass metallic· strap hardware#9C6B4Awhite· logo patch
Documents & Data
Customer Reviews
34 total34 reviews · out of 5
Un petit petit, mais je
Un petit petit, mais je le porte quand même.
Does not have enough support
This sport bra is big for me and does not have enough support
PERFECTION!
I have NEVER been able to find a sports bra that I can easily get on and off - this bra closure is right for me. I have heavy pendulous breasts and the wide straps sit comfortably on my shoulders without digging in. The full formed cups maintain a shape. This is a great find. I haven’t washed it yet so I will comment again when washed.
Great support but tricky straps
Love the support and fit this bra offers. If you use it in standard strap set up, the straps can slip out of their holders and ‘let go’. No such problem in the cross set-up but I find that harder on my shoulders.
Confort et soutien
Voici un soutien confortable et agréable à porter pour s’entraîner !
Grandeur ?
J'ai du aller en magasin pour l'essayer et trouver la bonne grandeur
Satisfaite
Belle qualité et bon maintien
Bon soutien
Bon soutien mais peut-être pas pour une longue course!
Parfait
Parfait
la qualité est belle mais
la qualité est belle mais il fait petit
Hésitante 🤨
J’espère aimer ce soutien à long terme ! Je suis toujours à la recherche d’un soutien de sport avec un bon support qui ne m’écrase pas les trapèzes (dos nageur/en T) et je crois/espère l’avoir trouvé 🤞🏼 Le début de cet « expérience » est par contre décevant dû au fait que j’en ai acheté (Internet) dans 2 couleurs différentes (même grandeur) en un premier temps et que les 2 items reçus n’étaient pas du tout de la même grandeur. Le gris pale faisait comme un gant alors que le noir était beaucoup plus petit, autant du tour que du bonnet. Je suis allée en magasin échanger le noir surtout pour comparer plusieurs soutien de la même grandeur avec le gris qui faisait… et j’ai dû en mesurer plusieurs avant d’arriver à la bonne grandeur. Peu de temps après, la couleur bleue marin est sortie et j’ai quand même tenté ma chance en commandant par Internet, et le bleu est aussi arrivé plus petit que le gris… Cette compagnie (Ifiv5) a de la difficulté avec sa chaîne de fabrication. Sur les 5 soutiens que j’ai essayés, pas un fait identique à l’autre en fait de grandeur Donc pour que la grandeur soit impeccable/satisfaisante … suffit d’en essayer plusieurs 😜
Bon maintien!
Facile à enfiler
Bon soutien !
Très confortable et facile à attacher ! Bretelles ajustable parfaitement adaptable !!
bon soutient
oui recommande pour faire du sport
Molded bra in burgundy to
Molded bra in burgundy to wide and causes chaffing. Other sports bra hard to put on but lovely fit
Very comfortable!
Very comfortable!
Parfait
Je suis très satisfaite. Pour le bonnet la grandeur est OK, mais pour le tour de taille, j'ai dû prendre une grandeur plus grande. Ce que j'aime, c'est qu'il s'ajuste comme un soutien-gorge régulier.
Excellent
Perfect style, fit and comfort
Trop grand.
Trop grand.
One cup size please
Good quality material. I however am a “c” cup. I ordered a b/c. Perhaps I should have ordered a c/d, but unfortunately the mail strike has put a delay in my order. Nonetheless, I’d like just a one size cup. C is c.
Solide
Soutien complet bien séparé toutefois un peu chaud
belle confection!
selon la photo et la description, je m'attendais à ce que le soutien soit moins épais
Soutien ferme
Excellente qualité
Le soutien moulé ventilé à bretelles coussinées
Excellent soutien
Très satisfaite
C’est ce que je cherchais pour porter tous les jours , super confortable
The strap would just unhook.
The strap would just unhook. I like the fit but very disappointing.
Soutine-gorge
Impeccable !
Will keep
Sizing maybe a little off. Feels secure and comfortable. Decent construction
Great sports bra
Really happy with this bra. Soft and comfortable with shoulder straps that stay put, huge bonus.
Very comfortable
I would recomend
Love it
Dès que je l’ai enfilé, j’ai su que c’était un bon achat. Par contre il est légèrement grand et pour que le soutien soit amélioré il faut que la bande du thorax soit plus large. Ce n’est pas le meilleur pour le soutien. Mais c’est un bon achat quand même pour le confort.
exactitude dans la grandeur
exactitude dans la grandeur
Comfortable
I would have kept it if it werent for the stitching scratching against my back whenever I moved. Otherwise it's a great bra that holds you in well.
Disappointing Quality Compared to Other Alternatives
This bra looked very similar to the Lululemon Run Times Bra I already own, so I decided to try it since it was $15 less. Unfortunately, the strap material is much thinner and stretchier, causing it to deform and dig into the skin, especially when configured as a racerback. I ended up returning it, opting for the higher price point of the Lululemon version for better quality and comfort.
Q&A
2 answered- Is the support provided by compression, encapsulation, or a combination?
- This bra combines compression from the stretchy microfibre fabric with encapsulation from the molded cups to provide high-impact support.
- How many washes does the Polygiene odor control last before needing reapplication?
- Polygiene® is a permanent antimicrobial treatment bonded to the fabric fibers, designed to last for the lifetime of the garment without reapplication.