Xcel half fin neoprene sock * Thickness: 2mm * Material: Neoprene * Xcel branding * Colour: Black The Xcel Half FIn Neoprene Sock is an essential for water sports activities as it provides a warm protection to your feet while inside the fins. This neoprene sock is durable and comes with a 2mm thickness for ample support to keep your ankles from getting chafed due to rubbing on the fins. This pair of neoprene sock comes in a black colourway with Xcel branding.