Workman XShelter Insulated β Warm Climbing Pants 4L New Color: Black Size: 4L World's first* insulated material. XShelter: The insulated material you can wear β Check the temperature inside your clothes 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 and greater insulation. Stretchy for ease of movement Comfortable to wear & plenty of pockets ・Waist snap button and front zipper opening ・Elastic waist with adjustable belt loops ・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