Diadora Women's Herz Indoor Cycling/ Mountain Biking Shoe - 170036 (Steel Gray/Dewberry - 42) Fitting: Comfort Closure: Lace, 1 velcro strap. Upper: Suprell-Buk - Mesh - Morpho Cage heel cup: Inside Ergonomic Heel Support Removable, EVA, anti stretch fabric. SOLE: SPORT CT.