mont-bell Thunder Pass Pants Men's Size: S Includes stuff sack. Product Information This model uses Montbell's proprietary waterproof and breathable DRYTEC® material and is suitable for a wide range of uses, from entry-level to hard use. It uses a supple 3-layer fabric for a light and comfortable feel. Specifications Material: DRYTEC® 3-layer [Face: 50-denier nylon ripstop] Breathability: 15,000g/m²・24hrs (JIS L-1099B-1 method, reference value) Montbell only uses materials that meet a water pressure resistance of 20,000mm or more for rainwear. Average Weight: 242g Color: Tan (BNSD) Features of DRYTEC Montbell's proprietary waterproof and breathable material that solves the problem of reduced breathability when increasing waterproofness, a characteristic of general polyurethane waterproof materials, at a very high level. It prevents rain while smoothly releasing water vapor from sweat to the outside. The fabric surface is water-repellent. Breathability: 8,000～20,000g/㎡・24hrs (JIS L-1099B-1 method)