Earth ro system Thermal Innerwear is made of Cotton Wool Poly-Viscose blended thick fleece fabric which keeps the wearer warm and cozy in extreme cold climate. A body-huggging thermal wear for icy days and chilly nights. Made from exceptional soft fabric processed to draw moisture away. Design to be worn as under shirt. It is a Zero shrink fabric. Size in cms: S=80, M=85, L=90, XL=95, XXL=100 Disclaimer: Alfa Lava Thermal wear is available in an assortment of three colors(Navy, Brown, Black). Though color choice is given but color is subject to availability. Note: Kindly check your chest size before placing an order and it is advised to order one size higher than you normal wear for better comfort.