Recommended Points: Can be worn not only with a shell type dry suit, but also a neoprene dry suit (requires some room in this case). Product Details: The most versatile inner suit from Whitetsu. The exterior is made of breathable, quick-drying and heat-retaining material. The exterior is primarily made of 70 denier stormproof nylon. Top and bottom connection type. Front long zipper and hip U-shaped zipper (convenient zipper for toilet). Comes with pockets on the front part. (Heat retention depending on water temperature. Adjustable force); Ankle hold type; Thumb loop included. *Note: Size is not accepted for returns.