Pearl Izumi Men's EM Trail N2 v3 Running Shoe 100% Synthetic 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 ESS forefoot rock plate protects feet against stone bruising and rock push-through Aggressive, multi-directional carbon rubber outsole offers 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)