Inov-8 Men's Roclite 312 GTX Trail Running Shoe 100% Synthetic Imported Rubber sole Fascia Band - This band is a replication of the plantar fascia ligament to increase propulsion efficiency and reduce fatigue in the foot. Comfort Fit - Generous fitting and offering a more comfortable style. Ideal for training and long distances particularly on trails. Sticky Rubber compound - Specially developed using rock clmbing rubber technology to optimise grip in wet conditions. SHOC-ZONE 3 Arrows - Ideal for the first step into the transition journey. Good cushioning with a lower than average differential. 6mm footbed - For a lower to ground feel and providing a much more efficient range of motion.