
Calvin Klein
3" Colourful Ultra-Soft Trunk Modal
This Calvin Klein trunk is a men's underwear style made from a stretch modal blend, featuring an elastic waistband, a double-layered front, and a 3-inch inseam. It is designed for everyday wear, offering a fitted trunk silhouette. User reviews indicate mixed feedback on durability and fit, with some advising purchasing from authorized retailers to avoid counterfeit products.
- Color
- Colourful
- Material
- Stretch modal blend
- Gender
- male
- Style
- casual, loungewear
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Color
Size
Specifications
Ultra-soft stretch modal blend trunk with elastic waistband and double-layered front.
Stretch modal jersey, elastic waistband, double-layered front, 3-inch inseam.
- Color
- Colourful
- Material
- Stretch modal blend
- Style
- casual, loungewear
- Occasion
- everyday, loungewear
- Gender
- male
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Underwear
Additional Attributes
- Soft jersey in a stretch modal blend
- Elastic waistband
- Double layered at the front
- 3-inch inseam
- Ultra-soft feel
- Calvin Klein at Le 31 collection
Product Insights
Calvin Klein's 3" Colourful Ultra-Soft Trunk Modal offers a silk-like, soft modal fabric and a flyless, slim silhouette that reduces bulk under slim pants, with a contoured pouch for support. However, buyers report the waistband runs tight, requiring sizing up, and the fabric pills and develops holes, especially in grey, with softness fading after washing. Authenticity is compromised by Amazon commingling, and value is deemed only worthwhile under $10 per pair, especially compared to Jockey's thicker, higher-quality modal boxer briefs at similar price. The main tradeoff: a sleek, supportive fit versus durability, sizing, and authenticity concerns.
Verified claims
- Authenticity
- Amazon commingling prevents authentication; only CK and Nordstrom safe.
- Sizing
- Waistband runs tight; buyers recommend sizing up, especially for larger thighs.
- Slim silhouette
- Flyless design reduces bulk, making the underwear lie flatter under slim pants.
- Pilling and holes
- 95% modal, 5% elastane blend pills and develops holes; grey pills worst.
- Shrinkage
- Shrinkage after washing is not commonly reported.
- Softness
- Silk-like smoothness from modal's fine filaments, though many buyers report the fabric feels thin and softness fades after washing.
- Convenience
- Contoured pouch, flyless design, and slim profile boost comfort, but the waistband runs small and tight.
- Value
- Buyers say only worth under $10/pair and warn against Amazon counterfeit risk.
- Competition
- Jockey modal boxer briefs are thicker and higher quality at similar price.
- Support
- Flyless design offers more support than traditional fly trunks.
- Slim fit
- Flyless front reduces bulk for a flatter silhouette under slim pants.
- Waistband
- Buyers report the waistband is tight and uncomfortable despite the Calvin Klein logo.
- Color differences
- Grey pills; black and navy turn shiny.
Product record
- Title
- 3" Colourful Ultra-Soft Trunk Modal
- Brand
- Calvin Klein
- Price
- 30 CAD
- Availability
- In stock
Image Analysis
2 images- 01

Product
Front view of a pair of coral-pink trunk-style men's underwear on a model showing an elastic logo waistband, contoured front pouch, sewn leg hems, and visible seams at the center front and sides.
- Garment type and viewTrunk-style men's underwear shown from the front on a model; waistband sits at the natural waist and leg openings extend partway down the upper thighs.
1 region
x 0.06 · y 0.47 · w 0.88 · h 0.40 (high) - Waistband constructionWide elastic waistband with a slightly darker tone than the main body; waistband is uninterrupted around the front and lies flat against the skin.
1 region
x 0.12 · y 0.40 · w 0.76 · h 0.07 (high) - Waistband text“Calvin Klein”
1 region
x 0.25 · y 0.40 · w 0.50 · h 0.07 (high) - Front pouch and seamsMolded contoured front pouch with a vertical center seam and curved stitching outlining the pouch area; a visible central fly seam runs from waistband down to the crotch.
1 region
x 0.30 · y 0.48 · w 0.40 · h 0.30 (high) - Leg hemsFolded and stitched leg hems with a narrow double-stitched finish visible on both legs.
2 regions
x 0.08 · y 0.80 · w 0.36 · h 0.08 (high); x 0.56 · y 0.80 · w 0.36 · h 0.08 (high) - Fabric appearanceSmooth, fine-knit fabric with a matte finish and minimal visible texture consistent across the garment.
1 region
x 0.12 · y 0.48 · w 0.76 · h 0.36 (high) - Side panel seamSubtle vertical side seam visible at the outer edge of the pouch area on the wearer's left side.
1 region
x 0.62 · y 0.50 · w 0.12 · h 0.32 (medium)
Other
Cropped studio product shot on a standing male model against a plain light background with soft directional lighting producing gentle shadows; image shows torso and upper thighs with both hands visible near center.
- Model and croppingImage is cropped to show the model from just below the shoulders to mid-thigh, excluding the head.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - PoseModel stands facing forward with hands clasped together at abdomen, partly covering the lower chest area.
1 region
x 0.32 · y 0.20 · w 0.36 · h 0.20 (high) - Background and lightingPlain light gray or off-white background with soft, even lighting and subtle shadowing to the right of the model.
- Image qualityHigh-resolution studio image with crisp edges and visible fabric stitch detail.
Colors
coral pink· main body#EC7265deep coral· waistband#BC7D5A- Garment type and viewTrunk-style men's underwear shown from the front on a model; waistband sits at the natural waist and leg openings extend partway down the upper thighs.
- 02

Product
Rear view of a male model wearing coral/salmon-colored fitted trunks with a matching elastic waistband, visible center-back seam and short leg hems.
- Rear fit and coverageFitted boxer-trunk silhouette covering the hips and upper thighs, shown from the rear on a model; fabric sits flat against the skin with smooth contours.
1 region
x 0.08 · y 0.55 · w 0.84 · h 0.35 (high) - WaistbandOne-piece elastic waistband in a slightly darker coral shade than the trunk body; waistband is about one narrow band in height and sits at the natural waistline.
1 region
x 0.12 · y 0.47 · w 0.76 · h 0.08 (high) - Center back seamVertical center-back stitched seam runs down the middle of the trunks from the waistband to the crotch area.
1 region
x 0.46 · y 0.52 · w 0.08 · h 0.30 (high) - Leg hemsShort straight leg hems with visible single-line topstitching around each thigh opening.
2 regions
x 0.10 · y 0.78 · w 0.36 · h 0.12 (high); x 0.54 · y 0.78 · w 0.36 · h 0.12 (high) - Waistband text left“Klein”
1 region
x 0.10 · y 0.44 · w 0.22 · h 0.10 (high) - Waistband text right“Calv”
1 region
x 0.68 · y 0.44 · w 0.22 · h 0.10 (high)
Other
Studio product shot showing the model rear against a plain light gray background with soft, even lighting and minimal shadow; image is vertically centered and cropped at mid-shoulder and mid-thigh.
- Background and lightingNeutral light gray seamless background with soft even lighting and subtle shadowing along the model's spine and arms.
- Shot compositionVertical portrait crop centered on the model's back and trunks, top crop near mid-shoulder and bottom crop near mid-thigh.
- Model presenceMale model shown from the rear with arms relaxed at sides; skin texture and muscle contours visible.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (medium)
Colors
coral salmon· trunk body#EA6D63dark coral· waistband#E2655C- Rear fit and coverageFitted boxer-trunk silhouette covering the hips and upper thighs, shown from the rear on a model; fabric sits flat against the skin with smooth contours.
Documents & Data
Customer Reviews
1 total1 reviews · out of 5
Boxer Calvin klein
Très confortable, tissus très doux, bonne grandeur
Reddit Insights
5 threads · r/frugalmalefashion, r/malefashionadviceRedditors find Calvin Klein Ultra Soft Modern Modal trunks comfortable when authentic, but frequently warn about counterfeit products on Amazon and note inconsistent quality, making them a mixed bag only worth buying at steep discounts.
While some users love the softness, many report issues with fakes, thin material, uncomfortable waistbands, and poor durability, leading to an overall wary sentiment.
Themes
Use Cases
- Everyday underwear
Watch Out For
Compared To
vs Jockey modal boxer briefs
Jockey modal underwear is thicker and of better quality compared to Calvin Klein's Ultra Soft Modern Modal.
Source Threads
Warning about Amazon fakes and commingled inventory
If it is sold and shipped by Amazon as the brand, or sold by CK and shipped by Amazon, everything ends up in the same warehouse bin under the same UPC. Amazon mixes all of it together, so even if CK sends genuine stock, it can get blended with whatever third party sellers send in. That is how the inconsistencies happen.
u/ienjoyswirlysr/frugalmalefashionView thread →
Comparison to Jockey and quality issues
Bought these a couple years ago on a similar sale. They’re just ok. The waist band isn’t uber comfortable and grey ones pill really bad. The black and navy are really shiny and slick like an under armor spandex. My jockey modal boxer briefs from Macys I had before these were noticeably thicker material and better quality.
u/turns31r/frugalmalefashionView thread →
Underwhelming feel despite hype
Okay, I bought a pack of these the last time a similar deal was going on. Is it just me or are they really nothing special...? They felt good, but not amazing good? I don't get the hype.
u/injuredmotherr/frugalmalefashionView thread →
Positive mention of Calvin Klein modal underwear
Calvin Klein makes a modal underwear called carbon I think and they are pretty nice also
u/Whereyoursisterwentr/malefashionadviceView thread →
Honest assessment of quality versus value
They're not super high quality underwear, by any means. Not the softest modal, pretty thin, stitching is inconsistent. That said, for $10 a pop or cheaper I don't think there are really any other options in the same bracket. Mine have held up well. Four years in on my first set and I haven't had to throw any out. I'd never buy them at full price but I think the value is fine at a price like this.
u/smootexr/frugalmalefashionView thread →