KSTUN Men's Skinny Stretch Jeans – Slim Fit Deep Blue Denim

The Problem: Skinny Jeans That Stretch Out by Lunchtime

Skinny and slim-fit jeans have a durability problem. Most are cut from fabrics with too much synthetic stretch — which feels great in the fitting room but bags at the knee, sags at the seat, and loses its shape within a few hours of wear. The result is a pair of jeans that looks sharp when you put them on and progressively less so as the day goes on, requiring constant adjustment and a wash after every single wear just to restore the fit.

KSTUN's Men's Skinny Stretch Jeans are engineered around an 81.8% cotton, 17.3% polyester, 0.9% spandex blend that gives you the stretch you need to move comfortably without the bagging and sagging that plagues lower-quality stretch denim. The medium stretch is calibrated to provide enough give for all-day comfort while retaining enough structure to hold the slim, pencil-pant silhouette consistently from morning to evening. The stonewash treatment adds a lived-in quality that makes these jeans feel like a wardrobe staple from the first wear, and the zipper fly gives the waistband a clean, polished finish.

81.8% Cotton Blend — The Right Balance of Stretch and Structure

The fabric composition is the foundation of what makes these jeans genuinely wearable rather than just visually appealing. At 81.8% cotton, the fabric has enough natural fibre content to breathe, hold its shape, and develop the kind of character that makes denim feel personal rather than synthetic. The 17.3% polyester adds durability and colour retention, while the 0.9% spandex provides the medium stretch that makes the slim fit comfortable for all-day wear. It's a composition that prioritises wearability over novelty — the kind of fabric that gets better with every wash.

Slim Pencil-Pant Silhouette — Clean, Contemporary Proportions

The slim, pencil-pant cut sits close to the leg from hip to ankle, creating a clean, elongating silhouette that works equally well with trainers, boots, or loafers. The mid waist sits at the natural waist, providing a comfortable, secure fit without the discomfort of a low-rise cut, and the zipper fly gives the waistband a structured, intentional finish. The full-length inseam keeps the look polished and intentional, and the medium stretch ensures the slim fit stays consistent throughout the day without bagging at the knee or pulling across the thigh.

Stonewash Treatment — Lived-In Character from Day One

The medium stonewash treatment gives these jeans a lived-in, broken-in quality that makes them feel like a wardrobe staple rather than a new purchase. The wash softens the denim fabric and adds a subtle tonal variation that gives the jeans depth and character, and it's calibrated to work equally well in both the Dark Blue and Light Blue colourways. It's the kind of finish that makes denim feel personal rather than off-the-rack.

Important Sizing Note

These jeans are sized to Asian standards, which run 1–2 sizes smaller than US/EU sizing. Please refer to the waist measurements below and size up if you are between sizes or accustomed to US/EU sizing:

• 28 — Inseam: 71 cm / 28.0"
• 29 — Inseam: 74 cm / 29.1"
• 30 — Inseam: 76 cm / 29.9"
• 31 — Inseam: 79 cm / 31.1"
• 32 — Inseam: 81 cm / 31.9"
• 33 — Inseam: 84 cm / 33.1"
• 34 — Inseam: 86 cm / 33.9"
• 36 — Inseam: 90 cm / 35.4"
• 38 — Inseam: 96 cm / 37.8"

Specifications

• Brand: KSTUN
• Fabric: 81.8% Cotton / 17.3% Polyester / 0.9% Spandex
• Elasticity: Medium stretch
• Fit Type: Slim / Pencil pants
• Waist Type: Mid waist
• Closure Type: Zipper fly
• Decoration: Pockets
• Pattern: Solid
• Wash: Medium stonewash
• Length: Full length
• Season: Spring / Summer / Autumn
• Style: Casual
• Gender: Men
• Available Colours: Dark Blue, Light Blue
• Available Waist Sizes: 28, 29, 30, 31, 32, 33, 34, 36, 38
• Model Number: YY-809
• Origin: Guangdong, China
• Note: Asian sizing — size up 1–2 sizes vs US/EU