Glued and blindstitched seams prevents flushing when you duck dive, while the three-hole drainage system allows any water that does get in to escape. The chest zip is easy to use and comfy, and it features a Lock Slide design that allows you to adjust it for the perfect fit. Finally, S-Flex knee pads are durable to extend the life of your suit., E4 neoprene with E4 Flash lining, Glued and blindstitched seams, Chest zip, Lock Slide design, S-Flex knees, Three-hole drainage system