Louis Garneau Granite Men's MTB Shoe: Black 39 Synthetic-Mesh STD FIT: Roomier fit offers more comfort for all-day riding Upper: Synthetic leather and mesh provides comfort and breathability Boa L4 one-way micro-adjustment and velcro strap; HRS-90 with 0.4 mm membrane stabilizes heel Outsole: Ergo Grip 2 nylon/fiberglass that provides excellent traction and efficient mud clearing Reflective heel, SPD cleats fit all major MTB pedals