World's first* insulation material. XShelter Wearable Insulation β Check the temperature inside your clothes with a thermometer! Warm Climbing Pants Black Size S Brand new, unused ●Product Features● Can be worn for a long season with the newly developed insulation sheet! ・Uses aerogel material for higher insulation ・Special multi-layer structure creates air layers, making it difficult for cold air to penetrate ・Keeps you warm and insulated, wearable from chilly days to seriously cold days ・The insulation sheet itself is also stretchy, making it easy to move in What's the difference between α and β? ・α…Uses a thin and light insulation sheet. Excellent breathability, less stuffy ・β…Slightly higher heat retention and greater insulation. Stretchy for ease of movement Comfortable to wear & plenty of pockets ・Snap button waist and front zipper closure ・Belt loops with adjustable elastic waist ・Convenient pockets on the front and sides for storing small items ・Lightweight and smooth to the touch ・Versatile, from everyday wear to leisure activities Material Outer fabric: 100% nylon Filling: 100% polyester Lining: 100% polyester