Feature: smooth: sustainable and eco-friendly fabric, soft and soft, even after multiple wash, thermostat comfort: bamboo fabric textile is good and warm, but also very breathable, quick drying: bamboo fiber ensures that moisture is absorbed and evaporated quickly. Bamboo is a natural UV protect and filter 98% from harmful UV rays. Serat Bambu does not rub boxer with your body, because you may always get used to spandex boxer. The blend of elastane and cotton with bamboo ensures that the fabric is especially solid (Serat Bambu) and fits well! Notice: 1. Due to different monitors and light effects, the true color may vary slightly from the color of the image. 2. Asian size is smaller than Europe/US/UK size. please compare the details of the size with your before buying. 3. Please accept 1-3 difference. Due to manual measurement, specifications: Material: elastane Serat Bambu and cotton. color: black, gray, blue, red. 30-40 degree fabric softener no need chlorine or bleach detergent for suitable color size: waist fit height for weight L: 60-73 sec. 170 m. 50-65 Sep XL: 76-86 m. 175 m. 65-75 Sep 2XL: 90-96 m. 180 m. 75-85 Sep. 3XL: 100-110 m. 185 m. 85-95 kg