51% Recycled PET, 49% PBT. Fabric: Ecolast+. Design: Logo, Plain. Back Style: Muscleback. Fastening: Pull-On. Neckline: Square. Fabric Technology: Chlorine Resistant, Quick Dry. Inner Bra Shelf, Light Support, Wide Shoulder Straps. Made from Recycled Materials, Sunlight Resistant. Sun Rating: UPF 50+. Ref: UTCS2117