Product Description Gill Offshore Boots The Offshore Boot, when worn with our other sailing systems, offers the complete top to toe waterproof solution. Its 3 mm thermal neoprene inner, XPLORE+ 3-layer external gaiter with secure elastic cord and thermomoulded outsole offer complete warmth and water proofness to keep you dry and comfortable all day. With reinforced heel, instep and toe, combined with the non-slip razor cut outsole to ensure a safe grip, it is ideal for on-board athletes or for any other activity which requires a comfortable, free draining boot. Features: External gaitor creates a double-layer of protection. Thermal neoprene upper for comfort, warmth and impact protection. Perforated neoprene on gaitor allows water to quickly drain away. Reinforced heel, instep and toe. Elastic cord and gripper elastic at hem for a secure fit. Technology: Thermomouled waterproof construction. Non-slip, non-marking razor cut outsoles for wet and dry grip. 3-layer waterproof and breathable external gaitor. Thermal lining. Fabric Composition: Outer-100% Nylon. Inner-90% Neoprene 10% Nylon. Sole-100% Natural Rubber Compound Footwear All our products come in a range of sizes so that you can choose the fit that's right for you. Just follow our size guides below. Euro 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 UK and Australia 1 2 2.5-3 3.5 4 5 5.5 6.5 7.5 8 9 9.5 10.5 11 12 13 14 US Men 1 2.5 3 4 5 6 7 7.5 8 9 10 10.5 11 12 13 14 15 US Women 3 4 5 6 7 8 9 9.5 10 11 12 Socks S S S S M M M M L L L L XL XL XL Manufactured in Euro sizes.