Short sleeve t-shirt with round neck. Thickness 195-205g/m². Material 100% cotton. (Gray 90%cotton 10%polyester, Ash gray 99%cotton 1%polyester Dark heather, Safety green/orange 50%cotton 50%polyester) Safety orange and green conform to ISEA & ANSI standard. Size(chest circumference) S(86-91cm), M(96-102cm), L(107-112cm), XL(117-122cm), 2XL(127-132cm), 3XL(137-142cm).