The Diving Socks will keep your feet warm and protect your feet against sand,rocks,pebbles and more. Features: Keep your feet warm and protect them from hurts. Made of 3mm premium neoprene and nylon material,flexible and comfortable. The soles with anti-slip design,protect you from slipping down easily. Adjustable fastener tapes with buckles,provide comfortable fitting for feet. Ideal for swimming,snorkeling,sailing,surfing,walking, etc. Specification: Color: Black / Grey (optional) Size: XS(EU34-35) / S(EU36-37) / M(EU38-39) / L(EU40-41) / XL(EU42-43) (optional) Thickness: 3mm Material: 90% Neoprene + 10% Nylon Package weight: approx. 130 g / 4.6 oz Package List: 1* Pair of Socks