Merrell Mens Alpine Slide 'Black'Black Textile and Lycra neoprene upper 100% recycled webbing upper Hook and loop closure system with buckles for quick adjustability Integrated EVA foam insole Merrell sticky rubber outsole tunes each outsole with durable traction that grips when and where you need it SKU: J2002843 BLK The Alpine Slide is a vegan aftersport model created with a recycled REPREVE webbing upper. REPREVE fibre is a transformational material made from recycled plastic