Le 31
Essential Undershirts 3-Pack
The Essential Undershirts 3-Pack by Le 31 by Simons includes three crew-neck, short-sleeve T-shirts made from soft 100% organic cotton jersey. Designed in Canada, these undershirts serve as a basic layering piece for everyday wear, each featuring a ribbed collar and a visible neck tag with the '31' logo. The pack provides three identical black shirts in a classic straight-cut fit.
- Material
- 100% Organic Cotton Jersey
- Gender
- male
- Style
- casual, minimal
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Undershirts
Specifications
Pack of three essential crew neck short sleeve undershirts made from soft 100% organic cotton jersey.
Soft organic cotton, crew neck, short sleeves, multipack design
- Material
- 100% Organic Cotton Jersey
- Style
- casual, minimal
- Occasion
- everyday, loungewear
- Gender
- male
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Underwear & Socks > Undershirts
Additional Attributes
- Soft 100% organic cotton jersey
- Crew neck design
- Short sleeves
- Pack of three
- Designed in Canada
- Essential basic undershirt
Product Insights
Le 31's Essential Undershirts 3-Pack, 59 CAD and in stock, is a designed-in-Canada classic-cut house essential from a Simmons-only house brand, a Canadian family business since 1840 with organic cotton in its private-label standard since 2006. The 100% organic cotton single-knit jersey, a 120 to 230 GSM family with no elastane, is soft, breathable, pulls perspiration vapour off the skin before it reaches the outer shirt, layers under sweaters and hoodies, and is soft enough to sleep in; buyers report it stays soft and smooth wash after wash without pilling, and the black stays a true black after multiple washes without fading. The core promise is a close-cut, flat-lying layer: shoulders lie flat with no back parachute under a dress shirt, the collar lies flat under dress shirts for most builds, and short sleeve hems end high on the arm, clear of a rolled dress-shirt cuff, though they are the most exposed cut line under a thin or rolled-up outer shirt. The tradeoffs are fit and coverage: sizing runs about a full size roomy so size down, X-SMALL comes in Black only, collar gaps on narrow frames, the no-elastane jersey means the collar stretches with wear and does not spring back, the crew neck may be visible under open dress shirt collars, white undershirts may be visible under light-colored dress shirts, and the lightweight organic cotton jersey can be too sheer as a primary layer. Nine variants exist; both colors run SMALL to X-LARGE, only Black reaches X-SMALL, every size and color is priced the same with no extended-size or dark-colour upcharge, and the product carries 19 reviews.
Verified claims
- Sizing
- Runs about a full size roomy — size down; X-SMALL comes in Black only.
- Fit
- Close-cut shoulders lie flat with no back parachute under a dress shirt.
- Collar lie
- Collar lies flat under dress shirts for most builds; gaps on narrow frames.
- Neckline
- Crew neck may be visible under open dress shirt collars.
- Softness
- The 100% organic cotton jersey is soft and breathable.
- Wash durability
- Buyers report it stays soft and smooth wash after wash, without pilling.
- Color retention
- Buyers report the black stays a true black after multiple washes, without fading.
- Material
- 100% organic cotton single-knit jersey, a 120 to 230 GSM family with no elastane
- Opacity
- White undershirts may be visible under light-colored dress shirts.
- Lightweight feel
- Lightweight organic cotton jersey is breathable for layering but may be too sheer for a primary layer.
- Sleeve length
- Short sleeve hems are the most exposed cut line under a thin or rolled-up outer shirt.
- Brand heritage
- Le 31 is Simons' house brand, sold only at Simons — a Canadian family business since 1840, organic in its labels since 2006.
- Layering performance
- Lies flat with no back parachute effect, layers under sweaters and hoodies, and is soft enough to sleep in.
- Sleeve hem
- Short sleeves end high on the arm, clear of a rolled dress-shirt cuff.
- Color availability
- Nine variants; both colors run SMALL to X-LARGE, and only Black reaches X-SMALL.
- Collar recovery
- No elastane in the jersey, so the collar stretches with wear and does not spring back.
- Breathability
- The cotton pulls perspiration vapour off the skin before it reaches the outer shirt.
- Organic cotton baseline
- Organic cotton has been a Simons private-label standard since 2006
- Design
- Designed in Canada as a classic-cut house essential, not a trend silhouette
- Price parity
- Every size and colour is priced the same, with no extended-size or dark-colour upcharge.
Product record
- Title
- Essential Undershirts 3-Pack
- Brand
- Le 31
- Price
- 59 CAD
- Availability
- In stock
- Rating
- 19 reviews
Buying Guide
1 comparison · 5 sourcesUses
A lightweight layer under shirts, sweaters, and hoodies
Reviewers describe this undershirt as an easy base layer for office dress shirts and casual layers, with a ribbed collar and tailored shoulders that lie flat and avoid back puffiness. The thin fabric and slim cut are said to disappear under hoodies, crewnecks, and sweaters without adding bulk. Note that many reviewers find it runs large and suggest sizing down, and the collar can gape on narrower frames.[1]
A soft layer for sleeping and lounging
Reviewers reach for these undershirts as a cozy, lightweight layer for sleep or relaxing at home. The organic cotton fabric is described as soft and breathable for overnight comfort, and one review theme notes the shirt works well enough for sleep to earn a spot in the rotation alongside its role as an undershirt.[1]
Product comparison
Compared within this brand.
| Essential Undershirts 3-Pack: Choose this if you want a lightweight, soft 100% organic cotton crew-neck undershirt for layering under dress shirts, hoodies, or sweaters — reviewers report the tailored shoulders lie flat and the thin fabric disappears without bulk, and it stays soft and pill-free wash after wash (black reportedly keeps its color). It also works as a cozy option for sleep or lounging. Be aware it runs about a full size large, so size down for a trim fit, the thin knit may not suit those wanting a heavier, more substantial shirt, and the collar can gape on narrower frames.[1] | Solid Ribbed Tank Undershirts 3-Pack: Choose this if you want a soft, breathable 100% organic cotton tank in a lightweight, finely ribbed knit with a semi-slim scoop-neck cut — reviewers report it layers smoothly under button-ups or sweaters and works as a standalone summer top, and the pack includes three tanks in Black or White. Note that reviewers say sizing runs small and the cut is short: petite and XS wearers report a perfectly snug fit, but tall or long-torso wearers can find it crop-top length. Experiences on longevity are mixed, with some reviewers praising long-term quality and one reporting quick material degradation.[2] | Stretch Ribbed Tank Undershirt: Choose this if you want a fitted, sleeveless ribbed tank in a stretch jersey made from 65% recycled polyester and 35% reprocessed cotton, with a scoop neck, deep bound armholes, and a double-stitched hem that extends to the hips. It comes in sizes Small through X-Large and in Black, White, or Baby Blue, with matching ribbed bottoms sold separately.[3,4,5] |
Image Analysis
2 images- 01
Product
Three black crew-neck undershirts are folded and arranged overlapping in a staggered vertical stack; ribbed round collars and small rectangular neck tags are visible on each shirt.
- ArrangementThree folded shirts laid flat in an overlapping, staggered vertical stack with the topmost shirt at lower right, middle shirt centered, and third shirt at upper left.
1 region
x 0.15 · y 0.12 · w 0.70 · h 0.76 (high) - NecklineRound crew-neck collars with a narrow ribbed binding visible on each shirt; collars are uniformly black and sit near the top edge of each folded panel.
2 regions
x 0.28 · y 0.08 · w 0.45 · h 0.22 (high); x 0.10 · y 0.02 · w 0.35 · h 0.22 (high) - Fabric surfaceSmooth, matte knit fabric with minimal visible texture and uniform color across each folded face; slight natural folding and soft surface highlights visible.
1 region
x 0.20 · y 0.30 · w 0.60 · h 0.58 (high) - Neck tagsSmall rectangular neck tags sewn into the back of each collar, dark background with lighter printed characters; tags are centered inside each collar opening.
3 regions
x 0.51 · y 0.10 · w 0.12 · h 0.06 (high); x 0.32 · y 0.04 · w 0.10 · h 0.05 (high); x 0.14 · y 0.10 · w 0.10 · h 0.05 (high) - Fold edgesStraight, clean fold edges at the bottom of each shirt panel, forming rectangular folded faces with slight shadowing beneath overlapping layers.
1 region
x 0.18 · y 0.60 · w 0.64 · h 0.26 (high) - Tag text fragment - upper right shirt“31”Partial
1 region
x 0.52 · y 0.10 · w 0.06 · h 0.04 (medium) - Tag text fragment - center shirt“VISION”Partial
1 region
x 0.35 · y 0.06 · w 0.10 · h 0.03 (medium) - Tag text fragment - upper left shirt“VISION”Partial
1 region
x 0.16 · y 0.08 · w 0.08 · h 0.03 (medium)
Other
Flat-lay studio shot on a light neutral background with soft even lighting, minimal shadows, and no visible packaging or props.
- BackgroundEven light grey neutral background filling the frame and providing contrast to the black shirts.
- Lighting and shadowsSoft, diffuse lighting from above creating faint soft shadows beneath the overlapping shirt edges and slight highlights on fabric folds.
- Shot compositionCentered composition with shirts occupying the central area and generous negative space around all sides; image is cropped to square format.
Colors
deep black· shirt fabric#0E0E0Ewhite (tag text)· neck tag text#EEEEEE- ArrangementThree folded shirts laid flat in an overlapping, staggered vertical stack with the topmost shirt at lower right, middle shirt centered, and third shirt at upper left.
- 02
Product
Flat-lay front view of a short-sleeve crew-neck black T-shirt shown against a light neutral background. Visible neckline label with a small white '31' graphic on a black tag.
- Overall silhouetteClassic straight-cut short-sleeve T-shirt laid flat showing the front side; body extends vertically with little taper at the waist.
1 region
x 0.12 · y 0.08 · w 0.76 · h 0.82 (high) - NecklineCrew neck with a narrow ribbed collar band lying flat and centered at the top of the shirt.
1 region
x 0.36 · y 0.04 · w 0.28 · h 0.10 (high) - SleevesShort sleeves with straight hem stitching; both sleeves visible and slightly angled outward from the shoulder seams.
2 regions
x 0.05 · y 0.18 · w 0.28 · h 0.22 (high); x 0.67 · y 0.18 · w 0.28 · h 0.22 (high) - Hem and stitchingStraight bottom hem with a visible double-line stitch running across the full width of the shirt.
1 region
x 0.22 · y 0.83 · w 0.56 · h 0.08 (high) - Neck label“Small rectangular neck label at the inner back collar showing a white '31' graphic on a black background.”
1 region
x 0.47 · y 0.05 · w 0.06 · h 0.04 (medium)
Other
Product photographed flat against an even light gray background with soft frontal lighting and minimal shadows; image centered and vertically oriented.
- BackgroundUniform light gray background filling the frame with no visible props.
- Lighting and shadowSoft even lighting from the front with a faint diffuse shadow visible beneath the shirt hem.
1 region
x 0.28 · y 0.86 · w 0.44 · h 0.08 (medium) - Shot compositionShirt centered in frame with balanced margins on all sides; image shows entire shirt except a small top margin surrounding the collar area.
Colors
deep black· body#0E0E0Ewhite· neck label text#EEEEEEblack label· neck label background- Overall silhouetteClassic straight-cut short-sleeve T-shirt laid flat showing the front side; body extends vertically with little taper at the waist.
Variants
9 SKUs| SKU | Title | Price | Avail |
|---|---|---|---|
| 3850528 | Essential Undershirts 3-Pack - Black - X-Small | CA$49.95 | Yes |
| 3850529 | Essential Undershirts 3-Pack - Black - Small | CA$49.95 | Yes |
| 3850530 | Essential Undershirts 3-Pack - Black - Medium | CA$49.95 | Yes |
| 3850531 | Essential Undershirts 3-Pack - Black - Large | CA$49.95 | Yes |
| 3850532 | Essential Undershirts 3-Pack - Black - X-Large | CA$49.95 | Yes |
| 3850534 | Essential Undershirts 3-Pack - White - Small | CA$49.95 | Yes |
| 3850535 | Essential Undershirts 3-Pack - White - Medium | CA$49.95 | Yes |
| 3850536 | Essential Undershirts 3-Pack - White - Large | CA$49.95 | Yes |
| 3850537 | Essential Undershirts 3-Pack - White - X-Large | CA$49.95 | Yes |
Documents & Data
Customer Reviews
19 total19 reviews · out of 5
Tissus mince
Ces t-shirts sont faits petits et le tricot assez minces. Je ne recommande pas.
great product
great product good fit
Très confortable et très beau look
Le confort et le style
Quality tshirt
Superfast shipping.
Undershirts sizing is disappointing
the small size is far too big. Gaping neck line just overall too big. No extra small was available this year.
Good everyday t-shirt
Great for under sweaters and hoodies
Bon achat
Belle qualité de coton
I liked it
Perfect
Shirts!
White shirts fit like a size large.
T shirt
Parfait
Great value
Never tried your brand before. Must say, they’re better than most other brands
T-shirts
La taille Était la bonne, pas trop lâche, pas trop serré. La couleur noire est bien stable et vraiement noire, pas délavée. Grand confort.
confortable
je recommande
L’encolure est parfaite,et le tissus
L’encolure est parfaite,et le tissus reste beau après plusieurs lavages
Très bons produits
Très bons produits
T-shirt
parfait
Enfin un t-shirt "très petit" disponible !
Un t-shirt qui est moulant, tombe bien au niveau des épaules sans l'effet parachute dans le dos. T-shirts achetés aussi pour son cotton bio.
Très bien , à porter
Très bien , à porter pour dormir
Daily undershirts for work
Slim, long, thin. perfect collar (not loose or snug)