Premium Fabric Blend(br)71% cotton for softness, 17% polyester for durability, 12% polyester elastane for flexibility(br)300gsm heavyweight Fabric for warmth without bulk(br)Precise Sizing (in inches)(br)S: Chest 40", Length 27.5", Sleeve 24.4"(br)M: Chest 43.3", Length 28.3", Sleeve 24.8"(br)L: Chest 46.5", Length 29.1", Sleeve 25.2"(br)XL: Chest 49.6", Length 29.9", Sleeve 25.6"(br)XXL: Chest 52.8", Length 30.7", Sleeve 26.0"(br)XXXL: Chest 55.9", Length 31.5", Sleeve 26.8"(br)Pre-shrunk fabric - Zero shrinkage after washing