Shimano 2016 Men's SPD 25th Anniversary Limited Edition Premium Trail/Enduro Mountain Bike Shoe - SH-M200B (Blue - 43) Variable-density, rubber outsole Stiff rubber pedal contact blocks optimizes stability and pedaling effectiveness High-traction rubber on the outer edge lugs and high durability rubber heel and pedal contact arch a Best matched with PD-M9020 762g (size 40)