An Air Zoom unit in the heel provides cushioning and energy return. The strap used in the Trout 8 was replaced with a plastic wing integrated into the eyelet system, offering comparable support with less weight. Flywire cables help secure the midfoot. A stretchy inner sleeve allows easier entry and fits around the ankle. The upper is made of durable, easy-to-clean mesh, and a toe overlay adds protection for hitting and pitching.