●52%Wool, 30%Biodegradable Nylon, 18%Cashmere ●Imported ●Drawstring closure ●Hand Wash Only ●PREMIUM MATERIAL: 52%wool+30%biodegradable nylon(37.5)+18%cashmere is an environmentally friendly material, high-quality cashmere. ●HIGH-END CRAFTSMANSHIP: The jogger shorts are designed with a ribbed process, using a 2-ply yarn knit with 7 gauge, blend wool and cashmere, and nylon(37.5 technology ). The weight of the shorts reaches nearly 600g, which shows that this is a very heavy-craft casual short. Durable and not deformed, it can be worn close to the body, bringing you the ultimate comfort. ●UNIQUE DESIGN: This mens casual knitted sweater combines high-tech 37.5 volcanic ash yarn, more moisture-wicking and breathable on the basis of keeping warm, and maintaining the body temperature at 37.5 degrees.