The Air Max Alpha Trainer 6 brings sturdiness and comfort for your toughest workouts. A flat, wide base helps keep you from sinking, so you can set and hit your goals. The robust heel, boosted by visible performance Air cushioning, offers dependable stability when digging deep for one more rep. The heel Max Air unit has been fine-tuned for even better stability. The flat, wide sole with an optimal rubber tread pattern gives you stability and traction. A foam midsole with a Max Air unit at the heel cushions your foot for comfort that lasts. A foam collar pads your ankle from one move to the next. Flex grooves in the forefoot are designed for lunges. Rubber wraps up the side to help keep your foot firmly on the sole during lateral movement. These Nike workout shoes feature lace up closure and are cushioned.