85% Recycled Polyamide, 15% Elastane. Fabric: Stretch. Design: Palm Leaf, Plain. Neckline: Crew Neck. Fastening: Pull-On. Flat Seams. Fabric Technology: Lightweight, Quick Dry, UV Protection. Fit: Slim. Conforms to Safety Standard: CE ED 2016/425 . Sleeve-Type: Raglan, Short-Sleeved. Sun Rating: UPF 50+. Chest: (4) <32in | (6) 32-34in | (8) 34-36in | (10) 36-38in | (12) 38-40in | (14) 40-42in | (16) 42-44in | (18) 44-46in | (20) 46-48in | (22) 48-50in | (24) 50-52in | (26) 53-54in. Ref: UTMW5311