Workman XShelter Insulated β Warm Climbing Pants 4L New Color: Black Size: 4L Sold out item, last one available! World's first* insulation material. XShelter, the wearable insulator β Check the temperature inside the clothing with a thermometer! ●Product Features● Wear it 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, higher insulation. Stretchy for ease of movement Comfortable to wear & plenty of pockets ・Waist snap button and front zipper opening ・Adjustable belt loops with elastic waist ・Pockets on the front and sides for convenient storage of 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