Harris 1 Slim-Fit Straight-Leg Stretch Lyocell and Cotton-Blend Twill Trousers
DEREK ROSE's pants release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $308, quality lands at 60/100, comfort at 90/100, and sustainability at 80/100 for discerning shoppers.
- Brand · DEREK ROSE
- Category · Pants
AI scorecard
What matters most for shoppers researching this piece right now.
Craftsmanship, stitching, and long-term durability.
Movement, breathability, and day-long wear.
Environmental impact and responsible sourcing.
Attribute deep dive
We break down what drove each score so you can weigh trade-offs.
Quality Analysis 60/100
These trousers are made from a lightweight stretch Lyocell and cotton-blend twill, which is naturally crease-resistant, but the "lightweight" fabric and lack of specific seam or hardware details suggest they may not be built for heavy-duty wear.
Comfort Assessment 90/100
These trousers offer excellent comfort with their lightweight stretch Lyocell and cotton-blend twill, ensuring natural breathability and crease resistance. The elasticated waistband further enhances comfort, making them ideal for travel or everyday wear.
Sustainability Impact 80/100
The trousers feature a blend of 62% Lyocell and 35% cotton, both of which are generally considered more sustainable materials than conventional synthetics due to Lyocell's closed-loop production and cotton's natural origin.
Measurement breakdown
Measurements across available sizes.
| Size | Waist | Leg Opening | Rise | Inside Leg | Outside Leg |
|---|---|---|---|---|---|
| L | 82 cm | 36 cm | 32 cm | 74 cm | 103 cm |
| XL | |||||
| M | |||||
| S | |||||
| XXXL | |||||
| XXL | |||||
Gallery
Reference shots help you validate textures, hardware, and proportion before you buy.




Garment details
Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.
Editor's Notes: Derek Rose's 'Harris 1' trousers are cut from a lightweight stretch Lyocell and cotton-blend twill, which is naturally crease-resistant and breathable. Designed with travelling in mind, they have an elasticated waistband and angled pockets with hidden zips to keep your wallet, phone or passport secure.
Size & Fit: Fits true to size. Take your normal size Slim cut, mid-rise style Adjustable at the waist Lightweight, non-stretchy fabric Model is shown wearing a M Model measures: waist size 32, height 6'3"/ 191cm View size guide
Details & Care: Black stretch Lyocell and cotton-blend twill 62% Lyocell, 35% cotton, 3% elastane Machine wash
Delivery and Returns: Find out more about our delivery options . Try items in the comfort of your own home. If they're not quite right, you've got 28 days to request an exchange or return and send them back to us. We'll collect them from your nearest UPS drop off point. Free returns are offered within 14 days of delivery.