The Sei Cowl Bustier in Cream Stripe - Cream. Size 4 (also in 0). Self: 91% viscose 8% polyamide 1% polyester Lining: 96% polyester 4% elastane. Dry clean only. Side zip closure. Boned bodice. Front ruched detailing. Cropped fit. Midweight twill fabric. Item not sold as a set. TSEX-WS94. TS2179B. About the designer: THE SEI is a luxury ready-to-wear collection based in L.A. and founded in 2020 by an all-female team of diverse individuals. With prior experience working together at Michelle Mason, the team set out on their own venture where THE SEI was born. The brand sets out to create thoughtful pieces, designed for womenâby women, expanding beyond a range of generations and lifestyles. THE SEI aims to build a foundation of polished classics mixed with seductive silhouettes inspired to empower women to feel at their most confident and balanced self, while remaining effortless and timeless.