Design: Lightweight, adjustable and versatile with an innovative design Recycled PET plastic bungee cord and lace-lock system In-Shoe Comfort: Smooth, lined canvas that softly hugs your feet Soft microfiber lining PU insole with arch support for long-lasting comfort Durability & Traction: A truly original hybrid sandal with traction and cushioning you would expect KEEN Men's Uneek Canvas Sandals