Merrell's Siren Q2 Strap sandals are a great piece of footwear for warm summer evenings. Engineered to give you precise support and comfort it carries a stylish waterproof nubuck and webbing upper that is sure to make you stand out. Comfort is provided by the padded neoprene upper while extra grip can be felt due to the M-Select GRIP outsole. An excellent addition to a summer wardrobe or great for taking on holiday to a warmer place!, Waterproof nubuck and webbing upper. Lycra neoprene lining for padded comfort., Textured EVA Integrated footbed. Q FORM 2 dual-density midsole with heel-centering technology provides gender-engineered alignment and comfort., Merrell air cushion in the heel absorbs shock and adds stability. Merrell In-Board Compression molded EVA footframe provides cushioning., M Select GRIP tunes each outsole with durable traction that grips when and where you need it. 3.0 mm lug depth., Weight: 16oz.