- TuneLug™ engineered outsole with Vibram® Megagrip™, Litebase™, and Traction Lug™.

- Euforia™ super foam midsole with a proprietary PEBA/EVA blend for cushion and rebound.

- Rippy™ 66 high-tenacity monomesh upper for breathable structure. - Asymmetrical lacing system to relieve Achilles and big toe pressure.

- Dual-width form: D-width heel, E-width forefoot to accommodate natural expansion.

- Serrated laces for a secure, stay-tied fit.