Waterproof W2 7mm Womens Fullsuit Back Zipper - Designed with stretch panels for enhanced comfort, flexibility and ease of entry. 3-D anatomically designed with pre-bent arms,legs and panels for a superior fit. Wave Flex panels are specific sculpted panels in the arms and legs allow for ultra flexibility and comfort. Dense knitted plush lining that slows waterflow over the skin for enhanced warmth and increased comfort. Front gussetted neck zipper for surface comfort.