Color: As shown in the picture, choose which color you need, and add it with the purchase order Size: 35-38 39-42 43-46 Material: Upper tube: polyester fiber (thermolite) 45.4%, wool 25.4%, nylon 16%, acrylic fiber 11.1%, spandex 2.1% Foot sole: polyester fiber (thermolite) 42.3%, wool 26.9%, nylon 17.3%, acrylic 11.2 %, spandex 2.3% Packing: single and double zipper bag Weight: about 128.5g/pair Production process: knitting, hemming, shaping, packaging Merino wool ski socks P-Buski's world premiere warmth, breathable HEATLOCK and forced ventilation, moisture wicking and moisture capillary function Calender bone protection THERMOLITE mercerized merino wool keeps warm, moisturizes, keeps warm, protects the tibia and keeps warm, 1 moisture wicking, 1 tibia protection. The creative hollow fiber imitating the hollow fiber of polar bear hair can enclose warm air in the fiber, keep the body temperature, and isolate the cold air from the outside. Traps BodyHeat Thermoltea can expel moisture quickly and naturally, allowing it to evaporate to the surface of the fabric. In order to maintain the warmth of the wearer, it is the first choice for light and warm materials. Skin surface microclimate management Merino wool Warmth retention/breathability/moisture absorption/abrasion resistance Merino wool with mercerized treatment To a certain extent, the natural cashmere-like feel of wool that is easy to pilling has been improved Silky luster Natural antibacterial and anti-odor Moisture Management Channel Achilles tendon protection Achilles tendon protection Instep protection Isstop protection Toe protection Tibia protection Heel protection Heel protection Ankle protection Ankle protection Distinguish Left & Rignt Code and color can be customized, logo printed