N66 Chassis: Injection molded Nylon 6 plastic, 6 inch spread with 12% glass reinforcement.
Impact EVA: Takes the shock of landings and displaces it from your foot.
EVA foot-bed: 3D molded foot-bed with ergonomic contours.
Comfort Liner: Dual density tongue design and integrated J bars.
Dual Lace System: Dual Lace system allows a customized secure fit.
Cuff Stretch Zone: Stretch zone that allows flex with no restrictions.