Avia - 2128 (Moth/Pumice/Black/Red Lead) - Men's: A stable running shoe designed for mild to moderate over-pronators. Cantilever System technology which centers the heel over a concave sole. The concave sole acts like a trampoline to soften impact, stabilize the heel and provide increased energy return. Anatomical Cradle and Dura-Ryd in forefoot and heel improves both motion control and shock absorption. Synthetic and mesh upper with reflective features. Sympatex waterproof bootie construction. Antibacterial, removable molded Durapontex sockliner. Dual-Durometer compression molded EVA with PU heel and injected TPU Shank. Dura-Ryd cushioning in forefoot and heel strike zone. Two-piece solid rubber with exposed TPU shank.