Road bike shoes colour black upper materials mesh artificial leather sole materials fibreglass nylon breathable fasteners buckle strap velcro compatible with look look keo time spd sl spd r shoe size 40 type mens shoes series mavic aksium intended use road bike shoe technology mavic comfort strap mavic ergo ratchet anti bacterial weight 270 g footbed characteristics anatomically shaped inner sole eva inner sole uk shoe sizes 6 5 7 reflectiv