Nike Air Max Alpha Trainer 6 Men's training shoe Softness is the enemy of stability. Especially when you're in squat position, tackling an intense set or trying not to collapse when trying a new exercise. The Air Max Alpha Max 6 brings you nec plus ultra for balance and stability. With elle, you benefit from "Performance Air" technology in every workout. Its wide base and sturdy heel keep your foot in place, without sagging. There's no stopping you in your pursuit of your goals. Phenomenal stability The foam midsole and Max Air unit in the heel cushion your foot for lasting comfort. Elle has been optimized for even greater stability. The foam collar protects your ankle with every movement. Wide sole The flat, wide sole with rubber grip pattern is more stable and grippy. Rubber grip Rubber sides keep your foot firmly on the sole during lateral movements. Flexibility for lunges Flexible grooves in the forefoot are designed for lunges.