The Speed Eco Waterproof is Merrell's sustainable, eco-friendly hiking shoe designed with a recycled upper and lining. It features a 50% recycled, removable EVA foam footbed, and recycled rubber outsole. Thewaterproof memrane seals out water and lets oisture escape, while the bellows tongue keeps out debris. It is treated withCleansport NXT for natural odour control, and complete with 100% recycled laces for a secure and adjustable fit.