The 055 is the ultimate all-mountain shoe, designed for ultra-distance efforts across all terrains and conditions. It combines the propulsive foam of a race day shoe with the durability and lockdown of a model engineered for technical terrain. Featuring a seamless knit collar, 100% Arnitel® TPEE midsole tuned for speed and energy return, bio-circular Dyneema® upper, and norda x Vibram soleplate with Megagrip Elite® and Litebase® technologies for unparalleled performance and durability. Drop / Stack:6mm / Heel: 36mm, Forefoot: 30mm (31mm/25mm midsole + 5mm insole) Weight:286g / 10.1 oz (US M 8.5)260g / 9.8 oz (US W 8) Cushioning:Propulsive and supportive Lug Depth:5mm