The ultra cushioned inov-8 TrailFly Ultra G 300 Max running shoes will keep your feet relaxed and comfortable throughout you session. Textile and synthetic upper. Textile lining. Textile insole. META-FLEX technology in the forefoot for optimal multi-directional flexibility that moves with the natural motion of your foot. META-PLATE flexible rock plate provides increased underfoot protection and flexes with the foot's natural gait. POWERHEEL is 40% denser than the forefoot of the shoe and provides maximum power and mechanical advantage when lifting weights. External Heel Cage wraps around the rear of the shoe and provides support in the heel. Welded toe bumpers protect the toes while doing burpees and other movements. Padded collar with a two-part gusseted tongue that conforms to the top of the foot for enhanced protection against dirt and debris. TPU Adapter Cradle boasts a wider fit that limits internal movement for a secure fit that allows fast and agile reactions over all terrain. POWERFLOW midsole delivers 10% shock absorption and 25% better energy return than standard midsoles. MET-CRADLE technology is built into the laces for a snug, secure, adjustable fit. Lace-up closure. STICKY GRIP rubber outsole delivers outstanding underfoot grip for every workout.