Upper: PHF® (Personal Heel Fit), memory foam lined heel collar, molds to the athlete's foot, creating a more comfortable, personalized fit. PGuard™ Toe Protector provides enhanced toe durability. Padded air mesh tongue provides increased breathability and comfort. Flexion Fit provides form fitting comfort without sacrificing support. An exoskeleton Heel Clutching System provides improved support and improves an improved heel fitting environment.

Midsole: GEL® Cushioning Systems in the heel and forefoot attenuate shock during the impact phase and toe-off. I.G.S.® (Impact Guidance System) utilizes ASICS® linked componentry to enhance the foot's natural gait from heel strike to toe-off. Solyte™ midsole cushioning material provides an exceptionally lightweight midsole with excellent bounce-back and durability. Solyte™ 55 last construction provides super lightweight lasting with medium density for a cushioned, but more stable ride. An extended Trusstic System provides increased torsional rigidity and enhanced medial stability. Removable molded EVA insole provides additional cushioning.

Outsole: Non-marking rubber outsole with variable traction pattern and forefoot pivot point. AHAR® (High Abrasion Resistant Rubber) Heel Plugs are placed at critical areas for increased abrasion resistance.

Available in width B (Medium).

6-Month Outsole Guarantee