Dynafit Pantera Gore-Tex Trail Running Shoes Gore-Tex Membrane - Ideal for pre-season training protection from water and mud. Full-Length EVA Duo Motion Unit - Provides essential stability. Vibram Mapping Compound Sole - 3 different sole compounds and hardness degrees for 3 different functions. Form Fitted Upper - The upper stitched around the foot! Forefoot in bi-elastic mesh which affords total comfort during endurance races when feet tend to swell. Midfoot integrated into lacing system using non-stretch anchor wires. Arch perfectly cradled by the supplementary lacing system. Sensitive Fit+ System - Anatomic fit that maintains the ergonomics of the heel and midfoot, whilst enhancing comfort around the forefoot and toes. Developed specifically for Ultra Trail races and high-intensity training.