Columbia Men's Tillie Creek 2 Water Sandal 100% Synthetic Rubber sole One piece Techlite upper and integrated footed for an enhanced fit and great lock down Quick lacing system provides secure lacing and on-the-go ease Full length Techlite footbed frame is made of a firmer density foam for superior underfoot protection and support Full-length Omni-Grip outsole with a sticky rubber compound for wet/dry grip Dual-lug construction for rugged traction on mixed terrain