TCX R04D Air Boots The TCX R04D Air Boots are ideal for riders who want premium comfort, protection and breathability without the bulk of a traditional motorcycle boot. The OrthoLite footbed and Groundtrax rubber outsole give you unparalleled comfort on and off the bike. Features: Mesh upper with hot melt coating Bycast shift pad D3O ankle reinforcements Reflective inserts for high visibility Reinforcements on toe and heel Fastening with laces and Velcro brand fastener Gaitor to store the laces OrthoLite footbed with long term cushioning and high levels of breathability Groundtrax rubber outsole for sport riding Shoes certified to CE - Cat. II - EN 13634 Standard Note: Customers have found these boots run slightly narrow.