1.Custom 1050mm separating YKK zipper provides smooth gliding. Foldaway cuffs provide added warmth and comfort. 2.Full encircled 4.5cm silicone grip tape at hem enhances anti-slip. 3.Concealed openable vent at back pocket provides ventilation. 4.Zippered side pockets conveniently store small items (gloves, hats, scarves etc.). 5.Front panel and sleeves use 3-layer composite fabric to enhance wind resistance and warmth. Back uses double layer composite for added breathability. Outer layer has water repellency to block moisture from entering. 6.Vest uses volcanic rock fabric to double insulation. 7.Outer layer is 82% nylon, 15% spandex for stretch and recovery. Outer layer is water repellent to block moisture from entering. 8.Windproof, water repellent, insulating