NIKE AIR MAX ALPHA TRAINER 4 Nike High-abrasion rubber added to heavy

High-abrasion rubber added to heavy wear areas of the sole to increase durability

More Details Pull loop at heel

Polyurethane open-cell foam lets air through but makes it hard for moisture & sweat to pass

Flexible herringbone rubber outsole provides durable traction underfoot

NIKE AIR MAX ALPHA TRAINER 4 Nike High-abrasion rubber added to heavyNike Air Max Alpha Trainer 4 Mens Training Shoes STABLE CUSHIONING FOR THE TOUGHEST ROUTINES. Tackle your most intense workouts in the Nike Air Max Alpha Trainer 4. The wide, flat base with Nike Air cushioning gives you comfortable stability for lifting. The heel is redesigned with supportive padding that helps take a load off your heaviest sets. Everything comes together in a durable shoe built for the rigors of the gym. Reinforced to Support The