Features of Shimano Men's ME4 Bike Shoe High-Density synthetic leather with perforation improves Fit and breathability Boa L6 dial for quick and precise micro-adjustment Off-set Strap relieves tension at Highest point of the foot Lightweight rubber Outsole offers all-conditions traction and grip Glass fiber reinforced Midsole for power transfer Lighter, stronger and more durable than natural leathers Asymmetric straps relieve pressure points Expands range for mounting cleats