Authentic luxury·Up to 60% off retail·Designer edit

You'll be taken to Italist to complete your order. We may earn a commission via AWIN. Disclosure
Price last checked 2026-07-28. Confirm on retailer's site.
A designer shirts piece from Loulou De Saison, curated on Vesté Collective so you can review details and pricing before buying through our partner retailer.
Loulou de Saison's Osis T-shirt is crafted from 100% cotton in a relaxed, modern silhouette. Featuring a classic crew neckline and dropped shoulders, the piece showcases short sleeves with a slouched cut that defines its effortless appeal. Made in Portugal, the understated design delivers everyday versatility as a casual essential.