Three layers of protection: The outer layer is made of 420D nylon, which is stronger and more wear-resistant than 221D. The interlayer is made of waterproof material, double waterproof protection, unobstructed passage in the snow. The inner layer is plush to keep your legs warm to the max, even in cold temperatures. Sturdy Material: 420D nylon outer layer is windproof, tear and cut resistant, effectively protect the legs from wind and rain. The bottom TPU band is wear-resistant and can withstand low temperatures, so it won't fall off easily, making it easy to travel in harsh conditions. MULTI-FUNCTIONAL: The high-quality shell is wind, sand, rain, snow, and insect repellent. Always keep your legs warm and dry. Perfect for hiking, skiing, climbing, biking and other outdoor activities. EASY TO USE/CLEAN: The full-length Velcro provides ease of donning and disassembly, removing dust with just a damp cloth. Wide opening design with Velcro closure for firm grip and abrasion resistance. Breathable, durable, lightweight and easy to use. Completely waterproof, windproof and breathable. Portable: The weight is very light, it will not cause any burden to wear on the leg, and will not affect the travel experience at all. Very practical to carry with you, perfect for adventure travel. Size: L size, top circumference 50cm, middle circumference 39cm, bottom circumference 46cm, front length 44cm, back length 41cm,