Youstar Men's Basic Simple Thermal Long Sleeve Tee AMTTL089 (Cotton51%Polyester49%) / AMTTL090 (Cotton100%) / AMTTL0101 (Cotton 100%) / AMTSTL0163 (Cotton 60% Polyester 40%) Pull On closure This is a must item that you should keep it dailywear. Come in a variety color. Dry clean only This basic thermal top features round neck, long line length and straight hem. This Items may run small, please refer to our measurements chart and order a size up if necessary. This basic thermal t shirt is perfect as an innerwear especially in winter season. Please refer to our image for the size wise.