
Le 31
Stretch Responsible Wool Pant London Fit - Slim Straight
The Stretch Responsible Wool Pant London Fit is a men's dark charcoal dress trouser with a straight, slightly slim cut from thigh to ankle, a flat front, slant side pockets, and buttoned piped back pockets. It is made from a European wool and recycled-polyester blend with partial lining and has an unfinished hem intended for tailoring; free hemming is available in store. It is designed for formal or business wear and coordinates with the matching jacket sold separately (style 12016-230861).
- Material
- blend of responsible wool and polyester made from recycled plastic bottles
- Gender
- male
- Style
- tailored, slim-fit, straight-leg, classic, business, smart-casual
- Category
- Apparel & Accessories > Clothing > Pants
Specifications
Slim straight wool-blend dress pants with stretch and a partially lined construction, designed in Canada.
Stretch wool blend, responsible wool and recycled polyester, slant pockets, buttoned piped back pockets, partial lining, unfinished hem, free hemming service.
- Material
- blend of responsible wool and polyester made from recycled plastic bottles
- Secondary
- recycled-polyester
- Style
- tailored, slim-fit, straight-leg, classic, business, smart-casual
- Occasion
- work, business-casual, formal, interview
- Gender
- male
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Pants
Additional Attributes
- London fit: straight, slightly slim from thigh to ankle
- Stretch fabric for comfort and movement
- Responsible wool blended with polyester from recycled plastic bottles
- Luxurious European fabric
- Partial lining
- Slant front pockets
- Buttoned piped back pockets
- Unfinished hem for custom tailoring
- Free in-store hemming service
- Designed in Canada by Le 31 by Simons
- Matching jacket sold separately (style 12016-230861)
- Slim straight leg silhouette
- Ankle-length cut
Product Insights
Stretch Responsible Wool Pant London Fit - Slim Straight London fit: straight, slightly slim leg from thigh to ankle, regular rise and thigh Shell: 55% responsible wool, 41% recycled polyester, 4% elastane; lining 100% polyester Dry clean only; professionally clean Slant front pockets, buttoned piped back pockets, concealed fly, unfinished hem 195 CAD includes responsible wool, recycled polyester and free hemming
Verified claims
- fit
- London fit: straight, slightly slim leg from thigh to ankle, regular rise and thigh
- material
- Shell: 55% responsible wool, 41% recycled polyester, 4% elastane; lining 100% polyester
- stretch
- 4% elastane provides subtle stretch
- fabric
- Wool-polyester blend gives supple drape, breathability and insulation
- lining
- Partial lining adds opacity, smoother hang and easier on/off
- care
- Dry clean only; professionally clean
- care
- Limit dry cleaning to once or twice a year; brush between cleanings
- care
- Avoid tumble drying; air dry flat or line dry
- care
- Press with steam on wool setting, using a press cloth
- construction
- Slant front pockets, buttoned piped back pockets, concealed fly, unfinished hem
- construction
- Mid-rise waistband, belt loops, flat front, straight/slim leg
- styling
- Matching jacket sold separately; free hemming in store
- colour
- Colours: Charcoal, Chocolate/Espresso, Blue
- value
- 195 CAD includes responsible wool, recycled polyester and free hemming
- durability
- Wool-polyester blend improves abrasion resistance, shape retention and shrinkage resistance
- comparison
- London fit is trimmer than Berlin but less tapered than Stockholm
- measurement
- Measure natural waist, hips and inseam for best size
- thermal
- Wool's hygroscopic structure helps regulate temperature across seasons
Product record
- Title
- Stretch Responsible Wool Pant London Fit - Slim Straight
- Brand
- Le 31
- Price
- 195 CAD
- Availability
- In stock
Buying Guide
1 comparison · 12 sourcesUses
Product comparison
Compared within this brand.
| Stretch Responsible Wool Pant London Fit - Slim Straight: Choose this if you desire the tailored London fit, which offers a straight silhouette that is slightly slim from the thigh to the ankle. This pant is crafted from a blend of European responsible wool and recycled polyester, complemented by four percent elastane for comfort. Note that it is sold with an unfinished hem, although a free hemming service is available in store.[1,3] | Stretch Wool Pant London Fit - Slim Straight: Choose this if you want a dress pant that sits between slim and loose: the London fit is described as straight and slightly slim from thigh to ankle, aimed at a middle-ground build. It is made of stretch fabric blending 55% responsible wool, 41% polyester from recycled plastic bottles, and 4% elastane, with a flat front, pressed center creases, slanted side pockets, and two buttoned welt back pockets, in Light Grey or Pine/Bottle Green. Note the hem comes unfinished, so plan on tailoring to your inseam, and the lining is 100% polyester.[4,5,6,7,8] | Responsible Wool Stretch Pant Stockholm Fit - Slim: Choose this if you want a slim, flat-front dress pant in the Le 31 Stockholm fit, with a mid-rise waistband, pressed center creases, slanted front pockets, and buttoned back welt pockets. Choose it for a tapered, narrow-legged silhouette worn with minimal break at the shoe, in stretch wool offered in Grey or Green across sizes 28-36 to 40-36. The hem is plain finished with no cuff, and the lining is 100% polyester.[9,10,11,12] |
Image Analysis
3 images- 01

Product
Full-length view of a male model wearing a two-piece dark charcoal grey suit (jacket and matching trousers) with a white vertically striped dress shirt, dark brown belt, and dark brown glossy loafers. Jacket shows notch lapels, two-button front, flap hip pockets and a welt chest pocket; trousers are straight-legged with a front crease.
- Jacket silhouetteSingle-breasted suit jacket with notch lapels, two visible front buttons, a welt chest pocket on the left, and horizontal flap pockets at the hips.
1 region
x 0.20 · y 0.08 · w 0.60 · h 0.40 (high) - Trousers cutMatching trousers in the same fabric as the jacket with a straight/slim-straight leg, visible front crease running down each leg.
1 region
x 0.25 · y 0.48 · w 0.50 · h 0.42 (high) - Pocket and hand positionModel's right hand placed inside the right jacket hip pocket; left hand relaxed at side.
2 regions
x 0.52 · y 0.30 · w 0.20 · h 0.22 (high); x 0.20 · y 0.58 · w 0.18 · h 0.16 (high) - Shirt detailsLong-sleeve white dress shirt with vertical thin grey stripes and visible white buttons; cuffs visible at jacket sleeve ends.
1 region
x 0.32 · y 0.12 · w 0.36 · h 0.28 (high) - Belt and waistbandDark brown leather belt with a rectangular metallic buckle visible at the waistband over the trousers.
1 region
x 0.44 · y 0.36 · w 0.12 · h 0.06 (high) - Shoe styleDark brown glossy leather loafers with a slightly rounded toe and low heel; shoes appear polished.
1 region
x 0.34 · y 0.88 · w 0.32 · h 0.08 (high) - Fabric appearanceSuit fabric appears smooth with a fine, uniform weave and matte-to-low-sheen finish consistent across jacket and trousers.
1 region
x 0.20 · y 0.08 · w 0.60 · h 0.80 (medium)
Other
Studio shot with a clean light grey to white seamless background; full-body vertical framing centered on the model. Even front lighting with soft shadows on the floor; no visible text, labels, or packaging.
- Shot compositionFull-length vertical studio shot centered on the model, showing head-to-toe with equal top and bottom margins.
- Background and lightingPlain light grey to white seamless background with even diffuse frontal lighting and soft shadow on the floor beneath the model.
- Image qualityHigh-resolution, well-focused image with accurate color rendering and no visible motion blur.
Colors
dark charcoal grey· jacket and trousers fabricwhite with grey stripes· dress shirtdark brown· beltglossy dark brown· shoes- Jacket silhouetteSingle-breasted suit jacket with notch lapels, two visible front buttons, a welt chest pocket on the left, and horizontal flap pockets at the hips.
- 02

Product
Front view of a pair of dark charcoal gray dress pants worn by a model from waist to shoes. Visible details include a flat front waistband with belt loops, concealed fly, slanted side pockets, and a smooth wool fabric with a fine textured weave.
- Overall silhouetteStraight slim-straight pant silhouette shown from waist to hem with a narrow leg that falls straight to the shoe tops.
1 region
x 0.18 · y 0.12 · w 0.64 · h 0.84 (high) - Waistband and belt loopsMid-rise waistband with multiple belt loops; waistband sits at natural waistline and is continuous around front with a narrow top edge.
1 region
x 0.28 · y 0.12 · w 0.44 · h 0.08 (high) - Fly and front closureConcealed fly front with no visible external button or hook; seam of the fly aligned centrally.
1 region
x 0.44 · y 0.16 · w 0.12 · h 0.12 (high) - Side pocketsSlanted side pockets at the hip; pocket openings lie along the side seams and are visible by slight fabric fold near each hand.
2 regions
x 0.18 · y 0.22 · w 0.18 · h 0.20 (medium); x 0.64 · y 0.22 · w 0.18 · h 0.20 (medium) - Fabric textureSmooth wool fabric with a fine, subtle woven texture visible on the pant surface and slight sheen in highlights.
1 region
x 0.30 · y 0.30 · w 0.40 · h 0.50 (high) - Hem and leg openingStraight hem that falls to the top of the shoe with a clean finished edge and no visible cuff.
1 region
x 0.28 · y 0.84 · w 0.44 · h 0.12 (high) - Visible seams and constructionCenter front seam and inseam visible as fine stitched lines; no pleats on the front panel (flat front).
1 region
x 0.42 · y 0.20 · w 0.16 · h 0.60 (high) - Partial occlusion by modelModel's hands and shirt partially cover the upper hips and waistband area; right hand rests near side seam.
2 regions
x 0.10 · y 0.06 · w 0.32 · h 0.24 (high); x 0.58 · y 0.06 · w 0.32 · h 0.26 (high)
Other
Studio shot showing the lower half of a model against a plain light gray to white seamless background. Even soft lighting with minimal shadows on the floor; model wears a striped shirt and dark loafers which are visible but not part of the product entry.
- Shot compositionCropped frontal studio shot centering the pants from just below the shirt to the shoes; model stands facing camera with feet slightly apart.
- Background and lightingPlain light neutral background with soft, diffuse lighting and faint shadow under shoes and lower legs.
- Visible props and garmentsStriped long-sleeve dress shirt tucked into the pants and dark leather tassel loafers on feet; these items are visible but are not described as product details.
2 regions
x 0.18 · y 0.02 · w 0.64 · h 0.20 (high); x 0.28 · y 0.86 · w 0.44 · h 0.12 (high) - Image qualityHigh-resolution, well-focused image with clear detail and accurate rendering of fabric texture and seams.
Colors
dark charcoal gray· pant fabric- Overall silhouetteStraight slim-straight pant silhouette shown from waist to hem with a narrow leg that falls straight to the shoe tops.
- 03

Product
Rear view of a pair of dark charcoal tailored trousers worn by a model, showing rear pocket details, waistband and leg shape down to the shoes.
- View and fitRear-facing view of trousers on a model showing a straight/slim leg silhouette with a slight taper toward the ankle.
1 region
x 0.12 · y 0.16 · w 0.76 · h 0.72 (high) - Waistband and belt loopsMid-rise waistband with evenly spaced belt loops visible across the back waistband.
1 region
x 0.24 · y 0.12 · w 0.52 · h 0.08 (high) - Back pocketsTwo horizontal welt back pockets; the right back pocket has a single visible button closure set into the welt.
1 region
x 0.28 · y 0.18 · w 0.44 · h 0.08 (high) - Side seam and pocket openingVisible side seam with a slanted front pocket opening on the right hip (model's right), partially visible from the rear angle.
1 region
x 0.66 · y 0.26 · w 0.16 · h 0.18 (high) - Fabric appearanceSmooth suiting fabric in a dark charcoal tone with a faint heathered or fine woven texture visible at this scale.
1 region
x 0.20 · y 0.20 · w 0.60 · h 0.60 (medium)
Other
Studio shot with a model wearing a striped shirt and dark loafers on a seamless light grey/white background; soft diffuse lighting with minimal shadows.
- Model and stylingModel is shown from mid-back to feet wearing a vertically striped long-sleeve shirt tucked into the trousers; right hand relaxed at the side.
1 region
x 0.44 · y 0.02 · w 0.40 · h 0.30 (high) - Footwear visibleDark brown leather loafers with stacked black soles and white socks are visible at the bottom of the frame.
1 region
x 0.32 · y 0.78 · w 0.48 · h 0.18 (high) - Background and lightingClean seamless light grey to white background with even, soft studio lighting and faint shadow along the floor plane under the shoes.
Colors
dark charcoal· main fabric (trousers)#49494E- View and fitRear-facing view of trousers on a model showing a straight/slim leg silhouette with a slight taper toward the ankle.
Variants
20 SKUs| SKU | Title | Price | Avail |
|---|---|---|---|
| 4648820 | Stretch Responsible Wool Pant London Fit - Slim Straight - Charcoal - 30-36 | CA$195.00 | Yes |
| 4648821 | Stretch Responsible Wool Pant London Fit - Slim Straight - Charcoal - 32-36 | CA$195.00 | Yes |
| 4648822 | Stretch Responsible Wool Pant London Fit - Slim Straight - Charcoal - 34-36 | CA$195.00 | Yes |
| 4648823 | Stretch Responsible Wool Pant London Fit - Slim Straight - Charcoal - 36-36 | CA$195.00 | Yes |
| 4648824 | Stretch Responsible Wool Pant London Fit - Slim Straight - Charcoal - 38-36 | CA$195.00 | Yes |
| 4648825 | Stretch Responsible Wool Pant London Fit - Slim Straight - Charcoal - 40-36 | CA$195.00 | Yes |
| 4648828 | Stretch Responsible Wool Pant London Fit - Slim Straight - Chocolate/espresso - 30-36 | CA$195.00 | Yes |
| 4648829 | Stretch Responsible Wool Pant London Fit - Slim Straight - Chocolate/espresso - 32-36 | CA$195.00 | Yes |
| 4648830 | Stretch Responsible Wool Pant London Fit - Slim Straight - Chocolate/espresso - 34-36 | CA$195.00 | Yes |
| 4648831 | Stretch Responsible Wool Pant London Fit - Slim Straight - Chocolate/espresso - 36-36 | CA$195.00 | Yes |
| 4648832 | Stretch Responsible Wool Pant London Fit - Slim Straight - Chocolate/espresso - 38-36 | CA$195.00 | Yes |
| 4648833 | Stretch Responsible Wool Pant London Fit - Slim Straight - Chocolate/espresso - 40-36 | CA$195.00 | Yes |
| 4648835 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 29-36 | CA$195.00 | Yes |
| 4648836 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 30-36 | CA$195.00 | Yes |
| 4648837 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 32-36 | CA$195.00 | Yes |
| 4648838 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 34-36 | CA$195.00 | Yes |
| 4648839 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 36-36 | CA$195.00 | Yes |
| 4648840 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 38-36 | CA$195.00 | Yes |
| 4648841 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 40-36 | CA$195.00 | Yes |
| 4648842 | Stretch Responsible Wool Pant London Fit - Slim Straight - Blue - 42-36 | CA$195.00 | Yes |