One slim-fit pant product image (primary)
A front-facing male model wearing a coordinated outfit: a single-breasted black suit jacket, matching black slim trousers with a center crease, a white dress shirt visible at the collar and placket, and black polished leather shoes.

BOSS

One Slim-Fit Pant

CA$399.00CAD
In Stock

The BOSS by HUGO BOSS One Slim-Fit Pant is a men's dress trouser made from Italian Super 120 pure virgin wool with natural stretch, featuring a slim fit, slant front pockets, piped back pockets, and a partial satiny lining. Designed for formal or business wear, it pairs with the matching jacket (sold separately) to complete a suit. Key specifications include a finished hem with a 32-inch inseam, and it is made in Italy.

Material
Italian Super 120 pure virgin wool with natural stretch
Gender
male
Style
slim-fit, tailored, classic, minimal, business
Category
Apparel & Accessories > Clothing > Pants

Color

BlackBaby Blue

Size

30323436

Specifications

Slim-fit dress pant crafted from luxurious Italian Super 120 virgin wool with natural stretch and meticulous tailoring.

Luxurious Italian Super 120 virgin wool, natural stretch, partial satiny lining, slim fit, slant pockets, piped pockets, finished hem, made in Italy.

Material
Italian Super 120 pure virgin wool with natural stretch
Style
slim-fit, tailored, classic, minimal, business
Occasion
work, business-casual
Gender
male
Age Group
adult
Condition
new
Category
Apparel & Accessories > Clothing > Pants

Additional Attributes

  • Luxurious Italian Super 120 pure virgin wool fabric
  • Natural stretch for enhanced comfort
  • Partial satiny lining for smooth wear
  • Slim fit silhouette
  • Slant front pockets
  • Piped back pockets
  • Finished hem with 32-inch inseam
  • Made in Italy
  • Meticulous tailoring and construction
  • Low-key luxurious aesthetic from BOSS
  • Monochrome minimalist design
  • Matching jacket available separately
  • Natural stretch from fabric construction

Product Insights

BOSS's One Slim-Fit Pant is a modular trouser designed for both standalone wear and as part of a suit, crafted from Super 120s virgin wool with four-way stretch for comfort and crease retention. Its slim straight cut with a 7-inch leg opening pairs with oxfords or sneakers, while neat Italian tailoring and hand-pressed creases ensure a sharp, all-day look. Available in black for formal versatility or Baby Blue—a spring/summer pastel that requires professional dry cleaning every 5–7 wears and twice-weekly rotation to maintain appearance, with wool's natural stain resistance mitigating the light color's tendency to show dirt. The matching jacket is sold separately for a complete suit, but the trousers alone avoid an orphaned appearance when worn with non-matching blazers, making this a versatile, high-maintenance wardrobe investment at $399 CAD.

Verified claims

Separates design
Worn with non-matching blazers without orphaned look; jacket sold separately.
Footwear compatibility
Slim cut with a 7-inch leg opening works with oxfords and minimalist sneakers.
Color styling
Black provides formal versatility; Baby Blue is a spring/summer pastel separate.
Fabric
Stretch wool and breathable construction offer all-day comfort with lasting crease and durable finish.
Slim straight fit
Slim straight fit, not tapered, with a 7-inch leg opening on size 32.
Softness
Super 120s wool averages 17.5–18.5 microns, giving a softer hand than standard merino.
Breathability
Lightweight 240–280 gsm fabric with partial lining breathes well and layers for year-round wear.
Craftsmanship
Neat interior seam bindings and pocket linings from Italian tailoring.
Crease retention
Hand-pressing and long-staple fibers keep crease sharp all day.
Stretch
Four-way stretch fabric moves with you and resists sagging.
Recovery
Wool elasticity recovers shape and prevents knee bagging.
Baby Blue shade
Baby Blue is a light pale pastel (hex #89CFF0) with a milky wash.
Occasion
Less formal than black; ideal for spring/summer and semi-formal or smart-casual settings.
Stain
Light pastel may show dirt more readily; wool's natural resistance helps mitigate.
Care instructions
Professional dry cleaning required; not machine washable.
Care regimen
Dry clean every 5–7 wears; rotate twice weekly to prevent shine and bagging.
Crease care
Holds crease through a full day; use professional steam pressing when needed.
Suit consistency
Both trousers and matching jacket are Italian-made from the same Super 120s virgin wool lot for a uniform suit look.
Modular wear
Designed for full-suit or standalone wear without an orphaned look.
Suit cost
Trousers CAD 399; matching jacket sold separately for complete suit.

Product record

Title
One Slim-Fit Pant
Brand
BOSS
Price
399 CAD
Availability
In stock

Deep Research

How to wear these pants as a suit separate

  • The One collection is BOSS's coordinated separates program, where every item shares the same fabric lot and minimalist tailoring language, so the trousers work as a perfect match with the sold-separately jacket while also being intended to mix with other One pieces — wearing them with a contrasting blazer does not produce an orphaned-suit effect because the design language of the collection normalizes individual use.
  • The slim straight fit with a leg opening measuring 7 inches on a size 32 produces a clean, tapered line that falls without excess fabric at the ankle, making these trousers compatible with both formal oxfords and minimalist leather sneakers — the straight cut also means you can easily have them hemmed with a no-break finish for a more modern, fashion-forward look when worn as separates.
  • Black Super 120s virgin wool has a fine hand and subtle sheen that places it among the more formal odd trousers — they create striking contrast with lighter tops in summer (a pale grey linen blazer or a cream silk knit) and anchor monochromatic outfits in winter (a tonal charcoal overcoat or a black leather jacket), but they are less forgiving with brown shoes and heavily textured sport coats than their grey counterparts.
  • The natural stretch in the Super 120s wool eliminates the stiff, restrictive feel of traditional suit trousers, so these pants can be worn for extended periods whether you're sitting in meetings with the matching jacket or attending a dinner in a more relaxed configuration with a fine-gauge sweater — the recovery property of the wool also helps maintain the crease and prevent knee bagging, keeping them presentable throughout the day.
  • The partial satiny lining — viscose at the knees, poly-cotton in the pockets — keeps the trousers lightweight and breathable, making them a viable option for warmer weather when worn with an unlined cotton blazer or a linen shirt, while the pure virgin wool still provides enough insulation for cooler days under a topcoat.

Where the One collection sits in the BOSS range

  • Made in Italy, this trouser aligns the One collection with the country's storied tailoring tradition, often signaling finer interior finishing and more precise hand-pressing than mass-produced alternatives, which translates to better drape and longevity in a slim-fit garment.
  • The pant is part of a complete suit; the matching One collection jacket (style 17052-1355838) is sold separately, making it possible to own the full tailored ensemble in matching Super 120s wool for a coordinated, sharp look.
  • The use of Super 120s virgin wool — denoting a fine micron count that yields a noticeably softer handle and lighter weight — places the One collection pants in a quality tier above standard wool trousers that typically use 100s or 110s grades, giving the slim silhouette a fluid drape rather than stiffness.

The real-world feel and durability of Super 120s wool

  • Super 120s denotes wool fibers averaging approximately 17.5–18.5 microns in diameter, markedly finer than the 20+ microns of standard merino — this fineness directly accounts for the tactile softness and smooth surface that separate luxury dress pants from coarser, itchier wool trousers.
  • The high-twist fine yarns create a dense yet porous weave that lets excess body heat and moisture vapor escape rapidly, so the pants resist overheating in climate-controlled offices and stay comfortable through warm-weather commutes.
  • Super 120s worsted cloth typically weighs between 240 and 280 grams per square meter, a lightweight construction that remains opaque but wears cool in summer and layers easily under a blazer without bulk, making it a practical choice for a four-season trouser rotation.
  • Long-staple Super 120s fibers possess natural elasticity and high tensile strength, enabling the pant to hold a sharp pressed crease through a full day of desk work and walking — the fabric recovers its shape far more reliably than cotton or linen equivalents.
  • The trade-off for that refined hand is a slight reduction in abrasion resistance: Super 120s can show surface shine or thinning at the seat and pocket edges sooner than a heavier Super 90s or 100s cloth, but with a twice-a-week rotation and professional dry-cleaning every 5–7 wears, these pants can comfortably outlast a typical two-year office wardrobe cycle.

Image Analysis

3 images
One slim-fit pant product image (primary)
01

Product

A front-facing male model wearing a coordinated outfit: a single-breasted black suit jacket, matching black slim trousers with a center crease, a white dress shirt visible at the collar and placket, and black polished leather shoes.

  • Jacket silhouetteSingle-breasted black suit jacket with two visible front buttons, notch lapels, a chest welt pocket on the left, and two front flap pockets; jacket hem falls to the upper thigh.
    1 regionx 0.22 · y 0.12 · w 0.56 · h 0.40 (high)
  • Trousers silhouetteBlack slim-fit trousers with a visible center crease on each leg, straight narrow leg opening, hem resting over the tops of the shoes.
    1 regionx 0.30 · y 0.45 · w 0.40 · h 0.45 (high)
  • Shirt detailWhite dress shirt visible at the collar and front placket with small white buttons; collar points sit beneath the jacket lapels.
    1 regionx 0.37 · y 0.12 · w 0.26 · h 0.18 (high)
  • Shoe constructionBlack polished leather shoes with a low heel and rounded toe; reflective finish visible on the toe caps.
    1 regionx 0.33 · y 0.84 · w 0.34 · h 0.12 (high)
  • Visible seams and creasesVertical center creases run down the front of each trouser leg; slight seam and tailoring lines visible on jacket front panels and sleeves.
  • Hands and fitModel's hands rest naturally at sides with jacket sleeves extending to the wrist; jacket fits close to the torso indicating a tailored cut.
    1 regionx 0.28 · y 0.47 · w 0.44 · h 0.22 (medium)

Other

Studio-front view of a standing model against a plain light gray to white gradient background with even studio lighting and minimal shadows; image is cropped slightly above the model's eyes.

  • Shot compositionFull-length frontal studio shot of a standing model, centered in frame, cropped just above the tip of the nose so uppermost forehead is out of frame.
    1 regionx 0.00 · y 0.00 · w 1.00 · h 1.00 (high)
  • Background and lightingEven soft studio lighting on a smooth light gray to white gradient background producing minimal cast shadows under the shoes.
  • Image qualitySharp focus on clothing details with neutral color rendering and no visible text or logos in the background.

Colors

black· jacket#110E15black· trousers#0F0C12white· shirtblack· shoes#0E0C12
One slim-fit pant product image 2
02

Product

Front waist and upper-thigh view of a dark slim-fit pant showing waistband with belt loops, stitched fly panel, pressed center creases, and slanted side pockets.

  • WaistbandStraight, single-layer waistband with two visible belt loops at front-left and front-right and a smooth finish matching the pant fabric.
    3 regionsx 0.12 · y 0.13 · w 0.76 · h 0.12 (high); x 0.34 · y 0.12 · w 0.08 · h 0.10 (high); x 0.58 · y 0.12 · w 0.08 · h 0.10 (high)
  • Fly stitchingVertical stitched fly panel centered at the front with visible topstitching contouring the fly area.
    1 regionx 0.38 · y 0.20 · w 0.24 · h 0.24 (high)
  • Front creaseSharp pressed center crease running down each pant leg from the waist through the visible thigh area.
    2 regionsx 0.30 · y 0.28 · w 0.20 · h 0.60 (high); x 0.50 · y 0.28 · w 0.20 · h 0.60 (high)
  • Side pocketsSlanted side pockets integrated into the side seams with pocket openings visible on both hips.
    2 regionsx 0.06 · y 0.30 · w 0.18 · h 0.36 (high); x 0.76 · y 0.30 · w 0.18 · h 0.36 (high)
  • Fabric finishSmooth, tightly woven fabric with subtle sheen consistent across the visible pant surface.
  • Visible hem and crotch areaUpper thigh and crotch area visible with neat seams and no visible closures or decorative elements.
    1 regionx 0.28 · y 0.36 · w 0.44 · h 0.38 (high)

Other

Cropped studio shot showing model wearing a white shirt; hands, cuffs, and neutral light grey background are visible. Even soft lighting with minimal shadow.

  • Shirt visibleWhite long-sleeve dress shirt tucked into the waistband, with visible buttons and cuffs at the wrists.
    3 regionsx 0.20 · y 0.00 · w 0.60 · h 0.26 (high); x 0.04 · y 0.62 · w 0.18 · h 0.28 (high); x 0.78 · y 0.62 · w 0.18 · h 0.28 (high)
  • Model handsBoth hands of the model rest at the sides with fingers partially visible and natural skin tone.
    2 regionsx 0.02 · y 0.64 · w 0.16 · h 0.26 (high); x 0.82 · y 0.64 · w 0.16 · h 0.26 (high)
  • BackgroundEven, neutral light grey background with no props or visible texture.
  • Shot framingCropped mid-torso to upper-thigh frontal view focusing on the pants' waist and upper legs.

Colors

black· pant main body#1B181F
One slim-fit pant product image 3
03

Product

Rear view of a pair of slim black dress pants showing waistband with belt loops, two rear welt pockets, a center back seam, and pressed creases running down each leg; fabric has a smooth, slightly lustrous finish.

  • Waistband and belt loopsMid-rise waistband with evenly spaced belt loops visible along the top rear; waistband band appears slightly thicker than the pant fabric.
    1 regionx 0.23 · y 0.06 · w 0.54 · h 0.11 (high)
  • Rear welt pocketsTwo horizontal rear welt pockets set into the seat; pocket openings are narrow and lie nearly parallel to the waistband.
    1 regionx 0.28 · y 0.15 · w 0.44 · h 0.09 (high)
  • Center back seamSubtle center back seam running vertically from the waistband down through the seat.
    1 regionx 0.48 · y 0.15 · w 0.02 · h 0.35 (high)
  • Pressed creasesSharp pressed creases visible on the back of each pant leg extending from the seat area down to the hem.
    2 regionsx 0.33 · y 0.22 · w 0.18 · h 0.70 (high); x 0.52 · y 0.22 · w 0.18 · h 0.70 (high)
  • Leg cut and fitSlim, straight rear leg silhouette with a tailored taper toward the ankle; fabric falls smoothly with minimal wrinkling except near the hem.
    1 regionx 0.20 · y 0.20 · w 0.60 · h 0.75 (high)
  • Fabric appearanceSmooth woven fabric with a slight sheen consistent with dress pant suiting material.
  • Visible hemsStandard hem finishing visible at the ankle resting on the shoe tops; slight gathering at inner ankle where fabric meets shoe.
    1 regionx 0.30 · y 0.80 · w 0.40 · h 0.16 (high)

Other

Studio product shot showing the model from the waist down against a seamless light background; parts of a white dress shirt and black dress shoes are visible; soft even lighting with minimal shadows.

  • Shot compositionRear three-quarter crop framed from lower back to shoes, centered vertically with even margin around the model.
  • Background and surfaceUniform light neutral backdrop and floor with no visible seams or props.
  • Visible non-product garmentsWhite long-sleeve dress shirt visible at the waist and cuffs and black polished dress shoes visible at the hem; these are not described as product components.
    2 regionsx 0.18 · y 0.02 · w 0.64 · h 0.20 (high); x 0.30 · y 0.86 · w 0.40 · h 0.12 (high)
  • Lighting and shadowSoft, diffused studio lighting with faint shadowing beneath the shoes and slight specular highlights on the shoe leather.

Colors

black· pants#110E15

Q&A

5 answered
How does the slim fit of this pant compare to typical BOSS slim fits from prior seasons? Is it a true slim or more of a tapered fit?
These are a true slim straight fit, not tapered. A similar BOSS ONE model is described as having a "slim, straight leg" [1], and Harry Rosen lists the leg opening at 7 inches on a size 32, which is a straight cut [2]. So they fit close through the hip and thigh without narrowing at the hem.
Can you describe the actual shade of Baby Blue? Is it more of a light pastel or a deeper sky blue?
Baby Blue is a light, pale pastel shade — not a deep sky blue. Color references list its hex code as #89CFF0, described as a "soft, light blue that looks like a clear daytime sky with a milky pastel wash" [9]. It's a gentle, calming tone with a powdery quality.
What are the recommended care instructions for this Super 120 virgin wool pant? Is it machine washable or dry clean only?
These pants are dry clean only — they should not be machine washed. The care label on similar BOSS Super 120s trousers states "Do not wash" and recommends dry cleaning [2][3]. This is standard for fine virgin wool garments.
How much natural stretch does the fabric have, and does it recover well after wear to prevent bagging at the knees?
The Super 120s virgin wool has natural four-way stretch woven into the fabric [1], so it moves with you and resists sagging. The wool fibers are naturally resilient, and with proper care (e.g., hanging and not overwearing), they recover well to prevent bagging at the knees.
Which parts of the pant are lined with the satiny lining? Is it just the front, the waistband, or also the back and legs?
The pant has partial lining: the knees are lined with 100% viscose, and the pockets are lined with a polyester-cotton blend (65% polyester, 35% cotton) [1]. The rest of the pant is unlined, keeping it lightweight and breathable.

Provenance

Merchant Link
https://www.simons.ca/en/men-clothing/pants/skinny-slim/one-slim-fit-pant--17052-1336852?colourId=0
Updated