Phaser function and versatility in a dedicated women’s design. Notched lower to accommodate a woman’s Achilles, the Nubuck leather upper fits closely around the heel. Proprietary Q-Form midsole aligns women’s stride for optimum comfort and efficiency. Narrow gauge webbing keeps lacing system light and uncluttered. Protective components range from ribbed external heel counter to oversize bumper at the toe. EVA footframe with Air Cushion midsole top a crescent-cleated Vibram Phaser sole configured for a natural stride and unnatural level of braking. Nubuck leather upper. Micro injection external heel counter. Rubber toe bumper. 7.5mm narrow gauge webbing. Nubuck leather/Ballisticore bellows tongue. Polyester mesh lining. 4.5mm anatomical footbed. 4mm tapered Nylon grade 4 insole. Compression molded EVA footframe. Air Cushion midsole. 5mm sole lug depth. Vibram Phaser sole/Trek rubber.