SOL'S NINO, VINTAGE SPORTS T-SHIRT, Main fabric: 100% recycled polyester mesh. Insert: 100% recycled polyester interlock  - Binding:  100% recycled polyester 1x1 rib, Vintage sporty T-shirt, Interlock, seamless inserts on shoulders. Ribbed V-neck, Oversized fit Cut and sewn. About Sizes Matching, Please Refer To The Size Chart In The Product Documentation Section.