Nike air max dynasty junior boys trainers the boys nike air max dynasty trainers are perfect for both casual wear or a range of sporting activities designed with a durable rubber outsole with flex grooves to the forefoot and a waffle grip pattern for fantastic traction while the air max cushioning to the heel offers great comfort and impact protection these nike trainers also feature flywire cables to the laces that help to keep your foot locked down in the shoe while the mesh panels across