
Only & Sons
Knit-Like Underside Blue Denim Bermudas
These Only & Sons at Le 31 blue denim bermudas feature an 8-inch inseam and a mid-thigh, straight-leg silhouette with rolled cuffs that expose a knit-like underside. Constructed from ultra-comfortable stretch cotton-polyester denim in a medium faded wash, they include a classic five-pocket design, contrast topstitching, and a sewn cuff hem. Suitable for casual wear, they offer a slim fit with visible whiskering and a leather waist patch at the back right.
- Color
- Blue Denim
- Material
- Stretch Cotton-Polyester Denim
- Gender
- male
- Style
- casual
- Category
- Apparel & Accessories > Clothing > Shorts
Color
Size
Specifications
Blue denim bermuda shorts with a knit-like underside for comfort, above-the-knee length, and stretch cotton-polyester fabric.
Knit-like underside, 5-pocket design, sewn cuff hem, stretch cotton-polyester denim, above-the-knee length with 8" inseam.
- Color
- Blue Denim · blue
- Material
- Stretch Cotton-Polyester Denim
- Secondary
- polyester
- Style
- casual
- Occasion
- everyday, casual
- Gender
- male
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Shorts
Additional Attributes
- Knit-like underside for comfort
- Above-the-knee length with 8-inch inseam
- 5-pocket design
- Sewn cuff hem
- Ultra comfortable stretch cotton-polyester denim
- Only & Sons at Le 31 collection
Product Insights
Only & Sons' Knit-Like Underside Blue Denim Bermudas (69 CAD, in stock) deliver a tailored, smart-casual bermuda with a hidden sweatshirt-level comfort thanks to a knit underside—woven denim's soft, stretchy inner surface, not a separate lining. The 8-inch inseam and sewn cuff hem preserve a classic silhouette while enabling dressier looks, and the light blue wash pairs neutrally. Stretch cotton-polyester denim requires no break-in, and the curation stamp reinforces credibility. The main tradeoff: a 9 CAD premium over a similar 7-inch Jack & Jones bermuda, justified by the added inch and zip fly.
- Hidden comfort
Knit underside hides sweatshirt-level comfort in a tailored denim short.
Why this is supported
This short is engineered with a knit-like underside that
, while the outer
reads as a structured bermuda from the outside while delivering the unrestricted, sweatshirt-like comfort of a knit interior
Knit-like underside construction and benefits — tailored_silhouette_hides_comfort. The stretch cotton-polyester blend means
no break-in period needed
How does the stretch cotton-polyester denim fit compared to 100% cotton denim shorts? Should I size down or up?, echoing buyer reports of
more stretch and a softer feel
How does the stretch cotton-polyester denim fit compared to 100% cotton denim shorts? Should I size down or up?. However, this comfort engineering is
a shared Bestseller family asset rather than an Only & Sons exclusive
Value compared to similar denim bermuda shorts — knit_like_underside_as_a_bestseller_group_feature- Cuff hem
Sewn cuff hem provides a clean tailored finish for smart-casual styling.
Why this is supported
The sewn cuff hem provides
a clean, tailored finish
Value compared to similar denim bermuda shorts — sewn_cuff_hem_vs_rolled_hemsand
contrasts with the rolled hems
Value compared to similar denim bermuda shorts — sewn_cuff_hem_vs_rolled_hemsof typical bermudas, enabling smart-casual wear.
- Inseam length
8-inch inseam hits a modern above-the-knee sweet spot.
Why this is supported
The 8-inch inseam is described as
a modern above-the-knee length that works equally well for polished summer looks and casual streetwear — a sweet spot
Value compared to similar denim bermuda shorts — 8_inch_inseam_within_the_bermuda_length_landscape.
- Construction
Woven denim engineered with a soft, stretchy inner surface — not a separate lining.
Why this is supported
The brand Q&A explains:
It's not a separate lining — 'knit-like' refers to the fabric construction.
What exactly does 'knit-like underside' mean? Is it a lining or a different fabric on the inside?- Silhouette and styling
Sewn cuff hem and 8-inch cut preserve a classic bermuda silhouette while knit underside delivers unrestricted comfort.
Why this is supported
The design hides the knit comfort behind a classic silhouette. A research analysis notes:
The sewn cuff hem — a clean, tailored finish — contrasts with the rolled hems of the Lois Jeans Henry or raw cuts of many budget bermudas, adding a dressier edge that enables the short to transition more easily into smart-casual settings.
Value compared to similar denim bermuda shorts — sewn_cuff_hem_vs_rolled_hemsCombined with the 8-inch above-the-knee cut, this confirms the shorts offer structured style without sacrificing comfort.
- Value
69 CAD — shares its knit-like underside with a $60 Jack & Jones bermuda, adding an 8-inch inseam and zip fly.
Why this is supported
A research analysis reveals:
The same knit-like underside softness is available on Jack & Jones' light-blue bermuda for $60 CAD
Value compared to similar denim bermuda shorts — knit_like_underside_as_a_bestseller_group_featureThe Only & Sons version costs 69 CAD and adds an 8-inch inseam and a zip fly closure, making it a trade-off between price and features.
- Fit
Order your usual size for a structured yet flexible fit suitable for smart‑casual occasions.
Why this is supported
The brand advises
sticking with your usual size, as the stretch cotton-polyester blend offers a flexible, comfortable fit that adapts to your body
How does the stretch cotton-polyester denim fit compared to 100% cotton denim shorts? Should I size down or up?and the cut delivers
a short that reads as a structured bermuda from the outside
Knit-like underside construction and benefits — tailored_silhouette_hides_comfortwhile
adding a dressier edge that enables the short to transition more easily into smart-casual settings
Value compared to similar denim bermuda shorts — sewn_cuff_hem_vs_rolled_hems. The product is found under the
Only & Sons at Le 31
stylight.cacuration, indicating vetted contemporary styling.
- Color fading
Light blue wash fades normally, but the stretch and knit underside keep comfort and cut.
Why this is supported
The blue wash is described as
a light blue wash — multiple retailers describe these as light-blue denim [1][2]. Like most denim, some fading with washing is normal.
Is the 'blue' color a dark or light wash, and does it fade noticeably with washing?The knit interior and stretch blend ensure the structure and comfort remain even as the wash lightens.
- Design and comfort
Sewn cuff hem and stretch denim provide a tailored fit with no break‑in.
Why this is supported
The
Sewn cuff hem
stylight.cacreates a clean tailored finish, contrasting with the
These shorts with rolled up hem
en.loisjeans.caof competitors. The stretch blend offers
more stretch and a softer feel right out of the box — no break-in period needed
How does the stretch cotton-polyester denim fit compared to 100% cotton denim shorts? Should I size down or up?. The overall construction is described as
a short that reads as a structured bermuda from the outside while delivering the unrestricted, sweatshirt-like comfort of a knit interior
Knit-like underside construction and benefits — tailored_silhouette_hides_comfort, confirming the hybrid design.
- Cuff and inseam
Sewn cuff hem and 8-inch inseam enable dressier smart-casual looks.
Why this is supported
The sewn cuff hem is highlighted as
adding a dressier edge that enables the short to transition more easily into smart-casual settings
Value compared to similar denim bermuda shorts — sewn_cuff_hem_vs_rolled_hems. The 8-inch inseam is noted to
works equally well for polished summer looks and casual streetwear
Value compared to similar denim bermuda shorts — 8_inch_inseam_within_the_bermuda_length_landscape. A competitor comparison reveals that
the $9 premium on this Only & Sons pair buys an extra inch of inseam (8" vs 7") and a zip fly instead of a button fly
Value compared to similar denim bermuda shorts — knit_like_underside_as_a_bestseller_group_feature. Together, these details make the shorts a more polished option than typical streetwear bermudas.
- Wash color
Light blue wash pairs with neutral and colorful tops for versatile styling.
Why this is supported
The color is described by
multiple retailers describe these as light-blue denim
Is the 'blue' color a dark or light wash, and does it fade noticeably with washing?. This classic shade is a versatile base for both streetwear and smart-casual outfits.
- Curation
Only & Sons at Le 31 curatorial stamp signals smart-casual credibility.
Why this is supported
The 'Only & Sons at Le 31' designation on Simons places these shorts in a curated contemporary menswear section, lending a stylistic stamp that elevates the product's perception beyond typical fast-fashion denim at this price point, making it a more credible piece for a smart-casual wardrobe.
- Price comparison
8-inch inseam adds an inch and a zip fly over similar $60 7-inch bermuda for $9 more.
Why this is supported
The research notes that
The same knit-like underside softness is available on Jack & Jones' light-blue bermuda for $60 CAD
Value compared to similar denim bermuda shorts — knit_like_underside_as_a_bestseller_group_featureand that the $9 premium for this Only & Sons pair buys
an extra inch of inseam (8" vs 7") and a zip fly instead of a button fly
Value compared to similar denim bermuda shorts — knit_like_underside_as_a_bestseller_group_feature, so the decision hinges on length and fastening preference rather than fabric innovation.
- Brand lineage
Shared knit-like underside; Only & Sons has zip fly and 8-in inseam.
Why this is supported
The knit-like underside comfort construction is a Bestseller Group-wide feature also used on the Jack & Jones sibling. While Jack & Jones is sold at
$60.00
stylight.cawith a
Button fly
stylight.caand a
7 inseam
stylight.ca, the Only & Sons version is priced at
$69.00
stylight.cawith a
zip fly
Value compared to similar denim bermuda shorts — knit_like_underside_as_a_bestseller_group_featureand an
8 inseam
stylight.ca. The $9 premium thus buys a different closure and an extra inch of length, while the undersurface comfort is identical across the two Bestseller siblings.
- Design philosophy
Knit-like underside under structured denim shell with sewn cuff hem.
Why this is supported
The design merges a soft knit-like underside with a traditional denim outer that includes a
Sewn cuff hem
stylight.ca, reflecting the Bestseller strategy of combining comfort with classic styling.
- Knit underside
87% cotton, 11% polyester, 2% elastane denim with a soft knit-like underside that needs no break-in.
Why this is supported
Catalog verified the material composition matches the fact-sheet and confirmed the fabric's knit-like underside through the brand's Q&A:
These shorts are made from a woven denim that's engineered to feel soft and stretchy like a knit on the underside, giving you the look of traditional denim with added comfort
What exactly does 'knit-like underside' mean? Is it a lining or a different fabric on the inside?This engineering eliminates the traditional break-in period, as stated:
Compared to 100% cotton denim, these shorts have more stretch and a softer feel right out of the box — no break-in period needed.
How does the stretch cotton-polyester denim fit compared to 100% cotton denim shorts? Should I size down or up?The 'knit-like underside' is also noted on the product listing itself:
Only & Sons at Le 31 Above-the-knee length / 8 inseam Knit-like underside
stylight.caThis feature is shared across the Bestseller group, with similar offerings from Jack & Jones, making it a signature comfort detail.
- Wash and fade
Light blue wash fades normally, slowed by cold inside-out washing.
Why this is supported
The product Q&A confirms the color is a light wash that fades visibly:
The 'blue' color is a light blue wash — multiple retailers describe these as light-blue denim [1][2].
Is the 'blue' color a dark or light wash, and does it fade noticeably with washing?It also notes this fading is normal:
Like most denim, some fading with washing is normal.
Is the 'blue' color a dark or light wash, and does it fade noticeably with washing?To reduce the rate of fading, the brand recommends washing at 30°C inside out and avoiding bleach:
We recommend washing at 30°C on a normal cycle, turning them inside out, and washing with similar colors to protect the fabric.
Are these shorts machine washable, and do they require any special care to maintain the knit-like underside?avoid bleach
Are these shorts machine washable, and do they require any special care to maintain the knit-like underside?.
- Care instructions
Wash at 30°C inside out, low tumble dry, no bleach, iron max 150°C.
Why this is supported
The brand provides specific care instructions for these shorts:
washing at 30°C on a normal cycle, turning them inside out, and washing with similar colors to protect the fabric. They can be tumble dried on low heat and ironed at a maximum sole-plate temperature of 150°C — avoid bleach
Are these shorts machine washable, and do they require any special care to maintain the knit-like underside?This routine protects the soft knit-like underside from abrasion, minimizes fading of the light blue wash, and preserves the stretch of the elastane blend.
- Break-in
Stretch cotton-polyester denim has no break-in period, staying comfortable from first wear.
Why this is supported
Compared to 100% cotton denim, these shorts require no break-in period.
Compared to 100% cotton denim, these shorts have more stretch and a softer feel right out of the box — no break-in period needed.
How does the stretch cotton-polyester denim fit compared to 100% cotton denim shorts? Should I size down or up?The blend of cotton, polyester, and elastane provides stretch and reduces initial stiffness.
Image Analysis
3 images- 01

Product
Front view of mid-thigh length blue denim bermuda shorts on a model; shorts have rolled cuffs exposing a lighter underside and visible front seam stitching and pocket openings.
- Overall silhouetteMid-thigh length denim bermuda shorts shown on a standing model, cropped at knees with rolled cuffs, straight leg fit from thigh to cuff.
1 region
x 0.32 · y 0.45 · w 0.36 · h 0.31 (high) - Rolled cuff detailFolded/rolled hem cuff on each leg that exposes a noticeably lighter underside fabric with a clean single roll.
1 region
x 0.33 · y 0.58 · w 0.34 · h 0.06 (high) - Denim wash and textureMedium blue denim with subtle vertical grain and lighter faded areas on the front thigh panels creating a worn wash appearance.
1 region
x 0.34 · y 0.48 · w 0.33 · h 0.18 (high) - Front pocket openingsFront slash pocket openings visible at hips with slight pocket bag inset at the openings.
2 regions
x 0.33 · y 0.49 · w 0.17 · h 0.12 (high); x 0.50 · y 0.49 · w 0.15 · h 0.12 (high) - Center fly stitchingVisible center front fly seam with contrast stitching in a warm orange tone running along the fly area.
1 region
x 0.47 · y 0.50 · w 0.06 · h 0.10 (high)
Other
Studio product shot showing a full-body front-facing model against a seamless white background with even lighting and minimal shadows.
- Model and poseMale model standing facing forward with arms relaxed at sides, legs slightly apart; full body visible from head to shoes.
1 region
x 0.12 · y 0.03 · w 0.76 · h 0.94 (high) - Background and lightingUniform white seamless background and floor with soft, even studio lighting and faint soft shadow under feet.
- Image framingCentered composition with the model vertically centered and slight headroom above; no visible props or packaging.
Colors
medium blue· main denim#738CA3light gray-beige· rolled cuff underside#BCBBB3warm orange stitching· fly and seam stitching- Overall silhouetteMid-thigh length denim bermuda shorts shown on a standing model, cropped at knees with rolled cuffs, straight leg fit from thigh to cuff.
- 02

Product
Mid-thigh blue denim bermuda shorts with rolled cuffs, visible five-pocket construction, belt loops, front button and zip fly, contrast topstitching, and faded whiskering on front thighs.
- Overall silhouetteMid-thigh length denim bermuda shorts with a slim, straight fit on the model's legs and a single wide roll at each hem showing the cuff underside.
1 region
x 0.18 · y 0.16 · w 0.64 · h 0.44 (high) - Pocket configurationClassic five-pocket styling visible: two curved front pockets with a small coin pocket inset on the right front, and sewn pocket openings at the front waist.
1 region
x 0.22 · y 0.12 · w 0.56 · h 0.18 (high) - Waistband and closureBelt loops on the waistband and a visible metal top button above a stitched fly; the button is centered at the front waist.
2 regions
x 0.43 · y 0.10 · w 0.14 · h 0.10 (high); x 0.49 · y 0.11 · w 0.04 · h 0.05 (high) - Fabric finishMedium blue denim with deliberate fading and whiskering across the front thighs and subtle vertical fade toward the inner thigh seam.
1 region
x 0.24 · y 0.20 · w 0.52 · h 0.34 (high) - TopstitchingContrast orange/brown topstitching visible along pocket edges, fly seam, and waistband.
1 region
x 0.28 · y 0.12 · w 0.44 · h 0.20 (high) - Rolled cuff detailSingle cuff roll exposing a lighter, knit-like underside with a narrow exposed seam at the turn-up.
1 region
x 0.20 · y 0.36 · w 0.60 · h 0.08 (high)
Other
Studio model shot showing the lower torso and legs against a plain light background; model wears white socks and black sneakers which are props; soft even lighting with minimal shadows.
- Shot compositionFrontal studio photograph cropped from mid-torso to feet, centered on the shorts; model stands with one hand in pocket and the other relaxed at side.
- Props and stylingModel is wearing white crew socks and black low-top sneakers with white stripe accents visible below the shorts.
1 region
x 0.10 · y 0.60 · w 0.80 · h 0.36 (high) - Background and lightingPlain light gray to white seamless background with diffuse, even studio lighting and soft shadowing under the feet.
Colors
medium washed blue· shorts main fabric#5C7A94light grey-beige· cuff underside#C3C3BCorange-brown stitching· topstitchingmetallic silver· top button- Overall silhouetteMid-thigh length denim bermuda shorts with a slim, straight fit on the model's legs and a single wide roll at each hem showing the cuff underside.
- 03

Product
Rear view of mid-length blue denim bermuda shorts with visible back pockets, rolled cuffs showing a lighter knit-like underside, a leather waist patch at the back right, center back seam and faded wash with contrast topstitching.
- Back pocketsTwo square patch back pockets with a single line of visible contrast topstitching around the pocket edges and a slight faded area on each pocket body.
2 regions
x 0.22 · y 0.20 · w 0.24 · h 0.20 (high); x 0.54 · y 0.20 · w 0.22 · h 0.20 (high) - Rolled cuffsSingle wide roll-up cuffs at each leg hem exposing a lighter knit-like underside that contrasts with the denim outer face.
2 regions
x 0.22 · y 0.49 · w 0.20 · h 0.06 (high); x 0.58 · y 0.49 · w 0.20 · h 0.06 (high) - Waistband and leather patchMedium-rise waistband with belt loops and a rectangular tan leather patch sewn onto the back-right of the waistband.
1 region
x 0.66 · y 0.07 · w 0.18 · h 0.06 (high) - Center back seam and yokeVertical center back seam runs down from the waistband and a subtle yoke seam across the upper back of the shorts creating shaping above the pockets.
1 region
x 0.40 · y 0.08 · w 0.20 · h 0.28 (high) - Faded wash and whiskeringBlue denim shows gradient fading with lighter areas on the seat and upper thighs and faint horizontal whiskering near the top of the pockets.
1 region
x 0.18 · y 0.18 · w 0.64 · h 0.30 (high) - Pocket stitch detailContrast stitching around pockets and along seams in a warm thread color visible against the denim.
1 region
x 0.20 · y 0.18 · w 0.60 · h 0.36 (high) - Patch text“ONLY & SONS”
1 region
x 0.69 · y 0.08 · w 0.12 · h 0.04 (medium)
Other
Studio rear-view photograph of a model wearing the shorts against a clean white background; model lower legs, socks and shoes are visible; even soft lighting with minimal shadowing.
- Shot compositionRear three-quarter framed studio shot showing the model from mid-torso to feet, centered in the image.
- Background and lightingPlain white seamless background with soft, even lighting and low-contrast shadows on the floor.
- Model legs and propsModel wearing white ribbed crew socks and black low-top sneakers with white stripe markings; both legs visible and lightly cropped at the upper torso.
2 regions
x 0.12 · y 0.56 · w 0.30 · h 0.38 (high); x 0.58 · y 0.56 · w 0.30 · h 0.38 (high)
Colors
medium faded blue· denim outer face#65829Blight grey beige· cuff underside#D29C7Ctan leather· waist patch#BC8A6Aorange brown· topstitching#AC7B5B- Back pocketsTwo square patch back pockets with a single line of visible contrast topstitching around the pocket edges and a slight faded area on each pocket body.