Reebok Men's Zigkick Wild Running Shoe 100% Synthetic Synthetic sole Heel measures approximately 1.5" Unique printed upper for a fashionable look. Zig platform offers cushion in the heel and midsole. Articulated forefoot design promotes a natural transition through to the forefoot. De-coupled heel has a smoothing effect during heel strike. Pebax propulsion plate delivers support through the midfoot. Minimal CRTek rubber used in high wear areas for durability.