The Air Max Alpha Trainer 6 brings sturdiness and comfort for tough workouts. The flat, wide base helps keep you from sinking. The robust heel, boosted by visible cushioning, offers dependable stability. 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. 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 are athletic sneakers with lace up fastening and cushioned.