Leatt 4.0 Clipless Shoe - Reviews, Comparisons, Specs 。The MTB 4.0 shoe is an SPD clip shoe featuring a deep 25mm indexed cleat channel. The 15mm rear extension reduces strain on the Achilles muscle and adds stability and comfort for rigorous gravity riding. It\'s quick drying material and great ventilation make it an ideal all-weather shoe for enduro and downhill riders. The Cross-Strap System helps the shoe grip your foot and lets you stay in control throughout your ride. Features: ClipGrip SPD channel offers all-pedal compatibility Unique SPD channels with extended travel for Gravity Riding Mud flow channels on the heel on toes for superior all-weather grip Cleat shims included for all-round pedal compatibility RideGripTM Compound delivers amazing riding feel in all weather conditions Sticky Leatt Lab compound sole for ultimate bike control Maximum tear, puncture and abrasion resistance The shoes upper makes them very durable all weather shoes Synthetic Leather with synthetic suede toe box Molded cross-tension straps for pedal efficiency and weather protection Ventilation with waterproof /breathable membrane on the inside