This is a 5x3mm semi-dry wetsuit, perfect for winter. It's a high-end, non-zip type. Designed to keep water out and withstand the cold. Jersey material is used in areas that prioritize movement, while skin material is used in areas that prioritize warmth. It's a well-balanced design. The neck area has a double-layered construction to prevent water from entering. You can enjoy surfing comfortably without the restrictive zipper. The size is Japanese size, men's XL. Please refer to the size chart included in the image. This is a valuable, brand-new, unused item. It's a very good wetsuit, but it's being offered at a bargain price. Price reductions are not possible, so please consider this price. Let's go surfing!