MIDSOLECMEVA foam is HOKA’s signature Compression Molded EVA, famous for protective cushiony comfort. MetaRocker geometry is found in all HOKA shoes for an easy, efficient, forward roll. Active Foot Frame engineering is also in all HOKA shoes, to cradle your foot securely and comfortably like a sports car bucket seat. OUTSOLE Vibram Megagrip with Traction Lug technology provides 5 mm lug depth with micro serration features that add up to a macro traction experience difference. UPPER Dynamic sandwich mesh textile is vegan, contains recycled material, recycled polyester laces, and overall retains less water, weighs less, and maintains enduring comfort. Dynamic vamp refers to the stretchy fabric notch over your toes at the base of the tongue for a more accommodating fit and better toe splay.