The Fuel Core T-shirt - Orange Have your T-shirt your way! Choose your logo colour below. #individual Available in men's and women's cut. Fabric Midweight 100% Cotton, Belcoro® yarn. Weight White 160gsm, Colours 165gsm Men's Size Guide S 35/37" M 38/40" L 41/43" XL 44/46" 2XL 47/49" Women's Size Guide XS 8 S 10 M 12 L 14 XL 16 2XL 18