Xpril Men's Coolever Premium Sporty T-Shirt Coolever100% Pull On closure Great range of motion, quick moisture wicking fabric use Hand wash or machine wash in warm water Lightweight and highly breathable with moisture wicking fabric keeps you comfortable, cool and dry The size of this clothing is based on asian size, which is about one size smaller than us size. please view our size converting chart to determine fitment KWTTS0127M