SIR the label Promo Codes & Verified Deals – September 2026

Select open-back dresses and other items are discounted. This offer is available for a limited time.

Save up to 55% on specific products during the Black Friday event. This promotion runs for a limited period.

Explore previous collections with discounts up to 60%. This sale includes a variety of archived styles.

Receive complimentary shipping for all US orders totaling over $200. No minimum purchase required for this offer.

Find tailored trousers and blazers priced under $250. This is part of a current seasonal event.

Get 40% off on a selection of full-priced items. This special offer is available for Cyber Monday.

Explore discounts of up to 50% on evening wear. This holiday sale features various formal styles.

Discover discounts on maxi dresses and swimwear up to 50%. This end-of-season sale features various items.

Select one-piece swimsuits and bikinis are discounted by up to 35%. This offer applies to specific swimwear styles.

The resort wear collection has items with up to 40% price reductions. Find deals on beach cover-ups and more.

Sign up for the newsletter to receive 10% off. This offer is valid for new subscribers.

New customers receive 10% off their initial order. This welcome offer applies to your first purchase.

Purchase knitted separates starting at $120. This pricing is available as part of a current promotion.

Shop discounted linen dresses starting from $150. Prices are marked as part of a seasonal markdown.

Eligible customers receive a special birthday discount. Check your email for personalized details.

Various silk separates are on sale with discounts up to 45%. Find reduced prices on selected items.

Find wedding guest dresses priced under $300. This special offer applies to a selection of items.

Eligible students can receive a discount on their purchases. Verify your student status to access this offer.