Le 31
Pleated Belted Pant Antwerp Fit - Straight & Loose
CA$150.00CAD
In Stock
These pleated belted pants from Le 31 by Simons feature a loose, straight Antwerp fit from thigh to ankle. Made from a stretch blend of recycled polyester and viscose, they include an adjustable removable belt, flat front pleats, side and back pockets, and a pressed center crease. The deep navy style is part of an exclusive Canadian-designed line, with a matching jacket available.
- Material
- Stretch fabric in a blend of polyester made from recycled plastic bottles and viscose
- Style
- relaxed-fit, straight-leg, smart-casual, classic, modern
- Category
- Apparel & Accessories > Clothing > Pants
Color
BlackNavy/Midnight Blue
Size
28-3630-3632-3634-3636-3638-36
Specifications
Loose straight-leg pants with flat front pleats and an adjustable belt, made from sustainable stretch fabric.
Antwerp loose straight fit, adjustable belt, flat pleats, stretch recycled polyester-viscose blend.
- Material
- Stretch fabric in a blend of polyester made from recycled plastic bottles and viscose
- Secondary
- viscose
- Style
- relaxed-fit, straight-leg, smart-casual, classic, modern
- Occasion
- work, business-casual, everyday
- Gender
- male
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Pants
Additional Attributes
- Antwerp loose, straight fit from thigh to ankle
- Adjustable and removable belt at the waist
- Flat front pleats
- Stretch fabric blend
- Made from recycled polyester and viscose
- Designed in Canada
- Matching jacket available (style 12016-226513)
- Le 31 by Simons exclusive collection
Product Insights
Le 31's Pleated Belted Pant Antwerp Fit - Straight & Loose is a travel-ready trouser with an integrated self-belt for on-the-fly waist adjustment during meals or travel, stitched-down pleats that create an elongating crease avoiding a carrot silhouette, and stretch fabric allowing movement without gaping. The recycled polyester-viscose-elastane blend holds pleat edges sharp while enabling motion, and the removable belt yields crisp or relaxed looks, coordinating with a matching jacket for a modern suit alternative. Tradeoffs: delicate cold wash and low-heat ironing are required to preserve stretch recovery and avoid baggy knees, and the 36-inch inseam needs hemming for low-profile shoes.
Verified claims
- Inseam
- Fixed 36-inch inseam for waist sizes 30-38.
- Waist adjustment
- Adjustable self-belt allows on-the-fly waist adjustment during travel or meals.
- Fit and movement
- Stretch fabric and pleats enable movement and a consistent straight-leg silhouette.
- Pleat performance
- Stitched-down pleats create an elongating crease, avoiding the dated carrot silhouette.
- Styling
- Removable belt yields two looks—crisp or relaxed—and coordinates with the matching jacket for a suit.
- Fabric
- Recycled polyester-viscose-elastane blend holds pleat edges sharp while allowing motion; machine wash with low-heat ironing refreshes the crease.
- Travel convenience
- Built-in belt eliminates need to pack a separate belt and allows on-the-fly tension adjustments.
- Silhouette
- Worn with matching jacket, creates a modern suit alternative with a relaxed silhouette.
- Comfort
- 3% elastane prevents pleats from gaping or pulling when sitting or moving
- Stretch care
- Stretch fabric requires delicate wash to maintain recovery and avoid baggy knees
- Belt
- Integrated belt allows on-the-fly waist adjustment for comfort after sitting or meals
- Stretch and fit
- Elastane stretch prevents pleat gaping and allows sitting and bending with less tension.
- Care and durability
- Cold machine wash and air drying preserve wet strength, stretch recovery, and pleats; recycled polyester gives wrinkle resistance and colorfastness.
- Care instructions
- Cold-water delicate wash, lay flat to dry, and low-heat iron with a press cloth preserve the trousers.
- Shoe compatibility
- Straight leg pairs cleanly with chunky loafers and sneakers, but 36-inch inseam requires hemming for low-profile shoes.
- Suit aesthetic
- Worn with the matching jacket, these trousers form an intentionally relaxed suit silhouette.
Product record
- Title
- Pleated Belted Pant Antwerp Fit - Straight & Loose
- Brand
- Le 31
- Price
- 150 CAD
- Availability
- In stock
Deep Research
Washing and maintaining the pleats
- To safeguard the stretch that gives the Antwerp fit its comfortable, non-restrictive movement, opt for air drying over machine drying, as constant high heat can cause the fabric to lose its recovery, resulting in baggy knees and a sloppy silhouette.
- The flat front pleats rely on a heat-set crease that can be refreshed with a low-temperature iron and a press cloth after washing; skipping this step lets the viscose-polyester blend set in random wrinkles, while excessively high heat can melt the recycled polyester and create an unwanted sheen.
- Viscose fibers lose 30-50% of their strength when wet, meaning a heavy-duty wash cycle or vigorous wringing can tear seams and permanently distort the Antwerp fit's loose straight silhouette, so these pants demand a delicate cold-water cycle and flat drying.
How flat-front pleats affect the look
- Because the removable self-belt anchors directly over the pleat stitching, tightening it pulls the pleats smooth and defines the waist, while wearing the pant beltless lets the pleats relax into a softer slouch — effectively giving you two distinct characters from the same garment.
- Worn with the matching jacket (SKU 12016-226513), the pant's flat pleats create a single-breasted suit silhouette that reads as intentionally relaxed — appropriate for a smart-casual dinner or a creative workplace where a traditional worsted suit would feel overdressed, though too soft for a formal boardroom.
- The pleats are stitched down flat against the waistband and open only below the belt line, creating a crease-forward vertical line that elongates the front of the leg; on the Antwerp's loose straight cut, this prevents the extra fabric from reading as sloppy excess and instead produces a drape that falls straight from the hip bones.
- Keeping the leg width consistent from thigh to ankle avoids the carrot silhouette that makes pleated trousers look dated; instead, the continuous line channels a loose straight shape that pairs well with chunky loafers, derbies, or camp mocs, and makes the pleats feel deliberate rather than an afterthought.
- The recycled polyester-viscose stretch blend provides enough structure to hold the pleat edge crisp but enough give to prevent pulling or gaping across the pleats when sitting or moving, addressing the classic complaint that pleated trousers look sharp only when standing at attention.
Antwerp fit and how it drapes
- The flat pleats open up the thigh and hip area when seated or in motion, providing unrestricted ease while staying subdued when standing to maintain a clean front drape.
- The integrated self-belt can be cinched for a custom waist fit or removed entirely for a beltless, unfussy waistband that reads more contemporary.
- The stretch component reduces the restricted feeling of woven pants, allowing the straight leg to accommodate sitting and bending with less tension across the knee and seat, while the viscose lends weight for a smooth hang.
- Unlike tapered or slim-straight cuts, the Antwerp fit preserves the same width from mid-thigh to hem, creating a classic straight pant line that sits equally well over dress shoes or sneakers.
Integrated adjustable belt functionality
- The integrated belt removes the visual interruption and bulk of a separate belt, creating a clean, continuous line from waist to ankle that pairs especially well with the matching jacket for a cohesive, modern suit alternative without the stiffness of traditional suiting.
- Having an adjustable belt built into the pant reduces the need to pack a separate accessory and offers on-the-fly tension adjustments that accommodate changes in comfort during long-haul travel, sitting, or a large meal, which is a practical advantage over fixed-hole leather belts.
- When the integrated belt is detached, the pants function as standard belt-loop trousers, allowing the wearer to introduce a leather dress belt for formal contexts or go beltless for a relaxed weekend look, effectively yielding two distinct styling modes from one garment.
What recycled polyester-viscose feels like
- Because viscose absorbs moisture more readily than polyester, the blend stays comfortable longer in warm or active settings, preventing that clammy feeling all-synthetic trousers can develop.
- Polyester's low moisture absorption and dimensional stability let you machine wash and air dry these trousers with far less risk of shrinkage or puckering than a 100% viscose or rayon pair, while the front pleats may need a quick press to stay sharp.
- Viscose's smooth, round fiber cross-section yields a silk-like hand that feels cool and soft against the skin, while its added weight and fluidity let the wide Antwerp legs hang straight without awkward stiffness.
- The polyester is sourced from post-consumer plastic bottles, delivering identical wrinkle resistance, tensile strength, and colorfastness to virgin polyester — so the trousers keep their crisp pleats and deep Black shade through repeated wear.
Image Analysis
3 images- 01
Product
Dark pleated wide-leg trousers shown from the front on a standing model; visible high waistband with belt loops, front pleats, and side pockets with model hand in right pocket.
- SilhouetteStraight wide-leg trousers with a relaxed, full-length drape reaching the shoes; hem covers part of the front of the shoes.
1 region
x 0.20 · y 0.40 · w 0.45 · h 0.52 (high) - Waist constructionHigh waist with a visible waistband and belt loops; waistband sits at the model's natural waist and is tucked under the shirt.
1 region
x 0.28 · y 0.28 · w 0.28 · h 0.16 (high) - PleatsTwo forward-facing pleats visible on each side of the front waistband creating extra fullness through the hip and thigh.
1 region
x 0.26 · y 0.33 · w 0.32 · h 0.28 (high) - PocketsSide seam pockets are present; the model's right hand is inserted into the right pocket.
1 region
x 0.35 · y 0.40 · w 0.18 · h 0.20 (high) - Fabric appearanceSmooth woven fabric with a matte finish and no visible pattern or texture at this scale.
Other
Studio lifestyle shot showing a full-body model leaning against a paneled wall and a decorative armchair; warm indoor lighting with soft shadows.
- Model poseMale model stands facing forward, left shoulder leaning on a wall, right hand resting on the arm of a chair and left hand in pocket.
1 region
x 0.12 · y 0.05 · w 0.76 · h 0.90 (high) - BackgroundCream-colored decorative wall panels with molding fill the background.
1 region
x 0.00 · y 0.00 · w 0.90 · h 0.80 (high) - Prop chairLight pastel upholstered armchair with carved wooden frame and nailhead trim is visible on the right edge of the image.
1 region
x 0.73 · y 0.40 · w 0.27 · h 0.55 (high) - Lighting and image qualityWarm, even studio lighting with soft shadows; image is high resolution with clear detail.
Colors
dark navy· trouser body#1F1820- SilhouetteStraight wide-leg trousers with a relaxed, full-length drape reaching the shoes; hem covers part of the front of the shoes.
- 02
Product
Front view of a pair of high-waisted, wide-leg navy pleated trousers with an integrated narrow matching belt and visible side pockets; trousers have a pressed center crease and hem pools over the shoes.
- Waistband and beltNarrow matching fabric belt threaded through belt loops across the waistband with a small rectangular metal buckle at center front; waistband sits at model waist.
1 region
x 0.32 · y 0.06 · w 0.36 · h 0.12 (high) - Front pleatsSingle pronounced pleat on each side of the front, starting at the waistband and running down the upper thigh.
1 region
x 0.18 · y 0.16 · w 0.64 · h 0.18 (high) - Center creasePressed vertical center crease visible on each pant leg from upper thigh toward the hem.
2 regions
x 0.24 · y 0.16 · w 0.12 · h 0.68 (high); x 0.64 · y 0.16 · w 0.12 · h 0.68 (high) - Side pockets and handsSide pockets aligned with the pleats; model's hands rest at pocket openings with fingers visible on both sides.
2 regions
x 0.08 · y 0.18 · w 0.14 · h 0.18 (high); x 0.78 · y 0.18 · w 0.12 · h 0.18 (high) - Leg silhouette and hemWide, straight leg silhouette with fabric pooling at the hem and partially covering the shoes.
1 region
x 0.18 · y 0.74 · w 0.64 · h 0.22 (high) - Fabric appearanceSmooth woven fabric with a slight matte-to-subtle-sheen finish and even solid color.
1 region
x 0.24 · y 0.14 · w 0.52 · h 0.60 (high) - Fly areaCenter front fly visible as a stitched panel; closure hardware is not clearly visible.Partial
1 region
x 0.46 · y 0.14 · w 0.08 · h 0.12 (medium) - Shoe overlapPant hem overlaps and partially conceals the toe area of dark dress shoes.
1 region
x 0.18 · y 0.88 · w 0.64 · h 0.10 (high)
Other
Studio-front product shot cropped at mid-torso showing the model wearing a light striped shirt; plain light grey background with soft even lighting and faint shadow at the floor.
- Shot compositionCentered frontal crop from mid-torso to feet; model stands facing camera with arms relaxed at sides.
- BackgroundSmooth uniform light grey backdrop with a subtle floor seam visible near the bottom of the frame.
1 region
x 0.00 · y 0.84 · w 1.00 · h 0.16 (high) - Lighting and shadowSoft, even studio lighting with minimal harsh shadows and a faint floor shadow beneath the hem.
- Visible shirtTop of image shows a white shirt with narrow vertical stripes tucked into the waistband; shirt is part of styling, not the product being focused on.
1 region
x 0.20 · y 0.00 · w 0.60 · h 0.14 (high)
Colors
deep navy· pant fabric#252945deep navy· belt#262A49- Waistband and beltNarrow matching fabric belt threaded through belt loops across the waistband with a small rectangular metal buckle at center front; waistband sits at model waist.
- 03
Product
Rear view of a pair of loose straight trousers in a deep navy woven fabric with belt loops, a fabric side tab at the waistband, two horizontal welt back pockets, and pressed creases down the legs.
- Overall silhouetteLoose straight-leg trousers shown from the rear with a high waistband and wide full-length legs that break over the shoes.
1 region
x 0.12 · y 0.12 · w 0.76 · h 0.82 (high) - Waistband and belt loopsStraight waistband with evenly spaced belt loops around the waist visible from the rear.
1 region
x 0.18 · y 0.04 · w 0.64 · h 0.10 (high) - Side fabric tabRectangular fabric side tab attached to the right side of the waistband, folded and lying flat against the waistband.
1 region
x 0.60 · y 0.03 · w 0.18 · h 0.10 (high) - Back pocketsTwo horizontal welt back pockets without visible buttons or flaps, positioned symmetrically on the seat.
2 regions
x 0.26 · y 0.18 · w 0.20 · h 0.06 (high); x 0.54 · y 0.18 · w 0.20 · h 0.06 (high) - Pressed creasesSharp vertical creases run down the center of each pant leg from the seat toward the hem.
2 regions
x 0.22 · y 0.20 · w 0.26 · h 0.68 (high); x 0.52 · y 0.20 · w 0.26 · h 0.68 (high) - Fabric and finishSmooth, tightly woven matte fabric with no visible nap or sheen.
- Visible styling elementsShirt tucked into the waistband and the model's right hand resting against the right thigh; a partial view of a black shoe is visible under the left hem.
2 regions
x 0.02 · y 0.00 · w 0.96 · h 0.26 (medium); x 0.70 · y 0.86 · w 0.28 · h 0.14 (high)
Other
Studio rear-quarter product shot on a white seamless background showing the model from mid-torso down; even soft lighting with minimal shadowing and no visible text or packaging.
- Background and lightingNeutral white seamless background with soft, even lighting and faint shadow along the floor where the legs meet the surface.
- Shot compositionFramed from the mid-back to the floor with the model slightly turned so the right hip is marginally more visible; image centered on the trousers.
- Props and modelModel wearing a tucked shirt and black shoe visible; no additional props.
2 regions
x 0.00 · y 0.00 · w 0.44 · h 0.20 (high); x 0.70 · y 0.86 · w 0.28 · h 0.14 (high) - Image qualityHigh resolution with clear detail and no visible motion blur or compression artifacts.
Colors
navy blue· main pant fabric#262944- Overall silhouetteLoose straight-leg trousers shown from the rear with a high waistband and wide full-length legs that break over the shoes.
Documents & Data
Q&A
1 answered- What is the inseam length for each waist size?
- The inseam length is 36 inches for waist sizes 30–38 based on available data; size 28 likely also uses a 36-inch inseam, but this is not explicitly confirmed.