UK Chest Sizes (Inches) - XS:34, S:36, M:40, L:44, XL:48, XXL:52 Fabric: 80% Cotton, 20% Polyester Knitted Collar, Cuffs And Waistband With Stripe Detail Press-Stud Closure Welt Contrast Pockets Hanging Loop At Back Neck Pocket With Small Opening For Earphone Cord Feed Hidden Earphone Loops. Taped Back Neck Contrast Studs Contrast Sleeves Worldwide Responsible Accredited Production (WRAP) Certified Production