Pearl Izumi Men's EM Trail M2 v3 Running Shoe 58% Textile/42% Rubber Imported Rubber sole Spring/summer 2017 Seamless upper delivers improved mid-foot fit and the anatomical forefoot shape allows for natural forefoot splay and foot swelling Bi-lateral mid-foot posts are trail-tuned to keep feet on top of the midsole platforms in technical terrain Ess forefoot rock plate protects feet against stone bruising and rock push-through, aggressive, multi-directional carbon rubber outsole offers superb traction and abrasion resistance Dynamic offset: 4mm at initial contact to 7.5mm at mid-stance, heel stack height: 27.5mm (includes midsole, outsole and eva strobel board)