KIZIK Siena Women's Athletic Shoes Trooper/Surf SprayThe hands free Siena makes every step effortless with HandsFree Labs technology no bending, no tyingjust step in and go. Its retro inspired nylon and suede upper offers lightweight durability and timeless style, while a tailored fit offers a sleek look and feel. A cushioned midsole keeps every step comfortable from day to night. These Kizik Siena Trooper Surf Spray women's athletic shoes have the following features: HandsFree Labs technologyPatented