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W5517 Trousers Oversized Techno Stretch Polyester Elastane — Black Women's Italian
Performance Fabric. Oversized Intention.
The W5517 is an oversized trouser in techno stretch — a 95% polyester, 5% elastane fabric engineered for performance: it resists creasing, holds its shape through extended wear, dries quickly, and moves with the body without distorting. The oversized silhouette gives the technical fabric maximum surface area to perform. A button and zip closure at the front completes a trouser that bridges the gap between sportswear and contemporary fashion — the material intelligence of a performance textile in a silhouette that belongs to neither category entirely.
Why This Trouser Is Different
- Techno Stretch Fabric: 95% polyester, 5% elastane — a performance textile engineered for shape retention, crease resistance, and stretch recovery. The polyester base provides dimensional stability and a smooth, slightly lustrous surface; the elastane allows the fabric to stretch and return without distortion.
- Crease Resistance: The polyester content makes the W5517 virtually crease-proof — it can be packed, worn for extended periods, and removed from a bag without requiring ironing. A practical quality that does not compromise the aesthetic.
- Shape Retention: The techno stretch fabric holds its oversized silhouette through wear and washing — the trouser looks the same at the end of the day as it did at the beginning.
- Oversized Silhouette: Full through the seat and thigh, with a relaxed leg — the technical fabric holds the oversized shape with more precision than natural fibres, the slight structure of the polyester preventing the silhouette from collapsing.
- Button and Zip Closure: A clean, functional front closure — the button and zip work together for a secure, adjustable fit at the waist.
- Lightweight: Polyester-elastane techno stretch is significantly lighter than cotton or wool fabrics of equivalent coverage — the W5517 wears lightly despite its oversized volume.
- Quick-Drying: The polyester base dries rapidly after washing or exposure to moisture — a practical quality for travel and extended wear.
- Made in Italy: Constructed in Italian ateliers with the technical fabric handling and closure precision that the W5517’s construction demands.
Specifications
- Style: W5517 — Oversized Trouser
- Color: Black
- Material: 95% Polyester, 5% Elastane
- Fabric: Techno Stretch
- Closure: Button and zip (front)
- Fit: Oversized — full through seat and thigh, relaxed leg
- Origin: Made in Italy
- Brand: LA HAINE INSIDE US
- Season: Current
- Gender: Women’s
Women’s Size Chart
| Size | Waist (cm) | Hip (cm) |
|---|---|---|
| XS | 60–64 | 86–90 |
| S | 64–68 | 90–94 |
| M | 68–72 | 94–98 |
| L | 72–78 | 98–104 |
| XL | 78–84 | 104–110 |
Model wears XS. Model measurements: height 180cm, thorax 85cm, shoulders 41cm, waist 64cm, hip 90cm.
The Moment You Put Them On
The W5517 is immediately light — the techno stretch fabric has a weight that belies its coverage, the oversized silhouette sitting on the body without heaviness. The surface is smooth and slightly cool to the touch, with a subtle sheen from the polyester content that reads as considered rather than synthetic. The button and zip close cleanly, the waist sitting without rolling or pulling.
The oversized silhouette holds its shape through the day — the techno stretch fabric does not collapse or bag at the knee or seat the way natural fibres can. At the end of the day, the W5517 looks the same as it did at the beginning. This is the practical intelligence of a performance fabric applied to a fashion silhouette.
The Art of Techno Stretch
Techno stretch — also known as technical stretch or performance stretch — is a category of fabrics engineered for specific functional properties that natural fibres cannot consistently achieve: crease resistance, shape retention, stretch recovery, quick-drying, and lightweight coverage. In the W5517, the 95% polyester base provides the dimensional stability and smooth surface of a technical textile; the 5% elastane allows the fabric to stretch in multiple directions and return to its original shape without distortion. The polyester content also makes the fabric virtually crease-proof — the polymer chains that make up the polyester fibre are inherently resistant to the deformation that causes creasing in natural fibres. Applied to an oversized silhouette, the techno stretch fabric performs a function that natural fibres struggle with: it holds the volume of the oversized shape without collapsing, maintains the silhouette through extended wear, and recovers its shape after washing without ironing. LA HAINE INSIDE US uses techno stretch in the W5517 because it achieves the visual language of a considered fashion garment through the material intelligence of a performance textile.
How to Wear It
- Technical Monochrome: Pair with a black technical jacket or windbreaker — the techno stretch surface of the W5517 reads as part of a coherent technical aesthetic, the oversized trouser grounding the look with volume.
- Contrast Texture: Wear with a chunky knit or textured wool top — the smooth, slightly lustrous techno stretch against a rough, matte surface creates a material tension that reads as intentional and editorial.
- Minimal Ground: With a fitted ribbed top or bodysuit — the oversized techno stretch trouser does the visual work, the fitted upper providing proportion and contrast.
- Travel Ready: Pack the W5517 without concern — the crease-resistant polyester emerges from a bag ready to wear, the oversized silhouette forgiving of compression. A trouser that performs as well in transit as it does on arrival.
Care Instructions
- Machine wash cold (30°C), gentle cycle
- Do not tumble dry at high heat — low heat or air dry to preserve the elastane content
- No ironing required — the techno stretch fabric is crease-resistant
- Do not bleach
- Wash inside out to preserve colour depth








