Bang Tidy Clothing Men's Mountain Bike Tyre Track T Shirt Downhill MTB Tyre Track Men's Custom Mountain Bike tshirts are 100% Cotton Makes a Great Custom Design Gift for Mountain Bikers Choose From 6 Colours and Sizes S-XXL with Fast Shipping All designs are copyright of Bang Tidy Clothing Ltd. Bang Tidy Clothing is a Registered trade mark of Bang Tidy Clothing Ltd. All rights are reserved. Mountain Bike Clothing Men Size Guide Chest (to fit) S - 86/92cm (34/36"), M - 96.5/101.6cm (38/40"), L - 106.7/111.7cm (42/44"), XL - 116.8/122cm (46/48"), 2XL - 127/132cm (50/52")