Made of acrylic and polyamide felt fibers, this material is a soft fabric with a smooth leather-like finish. Product Features Two top straps with buckle closures for an adjustable fit. Raised toe bar is designed to encourage the natural gripping motion of your feet, exercising your legs and aiding circulation. The suede lined, contoured footbed will mold to the shape of your foot creating a custom footbed that supports and cradles you each and every step. Anatomically correct cork footbed, crafted from cork that is 100% renewable and sustainable, encourages foot health. Dual layer Jute: top wicks away moisture while the bottom adds strength and makes resoling easy.