The Siena Slim Tapered Trouser is defined by a sharp, modern fit with elevated everyday comfort.

Designed with a super slim silhouette and a clean tapered ankle, Siena follows the body closely while maintaining a refined, structured appearance.

Crafted from a soft stretch fabric, it delivers flexibility and comfort without sacrificing its sleek profile — creating a streamlined look that moves naturally with you.

Finished with clean lines and minimal detailing, it transitions effortlessly from day to night with confidence and precision.

Key features

• Super slim, tapered silhouette
• Smart ankle finish for a modern profile
• Soft stretch fabric for comfort and flexibility
• Clean, minimal construction
• Designed for a sharp, contemporary fit

Materials

Fabric: Cotton blend with added stretch
Stretch: Enhanced flexibility for everyday movement
Feel: Soft, smooth, close-to-body finish

Blackstone London wants you to be completely satisfied with your purchase.

Full-Priced Items*

• Eligible for a refund or exchange.
• Full-price items purchased with a promotional code are still eligible for a refund.
• Must be unworn, in original condition, and include all original packaging.
• Must be returned within 30 days of delivery.

excludes shoe care products

Sale Items (Markdowns)*

• Eligible for an exchange only (no refunds).
• Must be unworn, in original condition, and include all original packaging.
• Must be returned within 30 days of delivery.

excludes shoe care products

Faulty Items

If you believe your item is faulty, please contact our team at support@info-blackstonelondon.com for assistance.

We offer a 30-day return or exchange policy if you are not completely satisfied with your order for any reason. For more information please see our Return Policy.