Built for long miles without giving up trail feel, the norda 001A is an optimally cushioned ultra-distance trail shoe in the Abyss colorway. Its seamless Dyneema® upper pairs with a responsive Arnitel® TPEE midsole and a Vibram® Litebase Megagrip soleplate for a durable, secure ride across changing terrain.Why you’ll like it Optimally cushioned for ultra-distance running, daily training and race efforts Seamless Dyneema® upper for lightweight abrasion resistance and durability Arnitel® TPEE midsole for responsive cushioning and energy return Vibram® Litebase Megagrip soleplate with 5 mm lugs for wet-and-dry traction 5 mm drop (26 mm heel / 21 mm forefoot) Fit: The 001A runs slightly small. norda recommends going up 1/2 US size; if between sizes, choose the larger size.