Workman Buzz Heat Flyer Vest Color: Yellow Size: LL New, unused, with tags Attachment System compatible Zip-in-zip compatible, YKK 5VS zipper BAZZ HEAT: Achieves comfortable warmth with special functional padding! Not just warmth, a high-performance series Product Features Achieves warmth through three different mechanisms! ・Far-infrared heat storage utilizing specially formulated ceramics ・Absorbing light from the outside and converting some of it into heat, light-absorbing heat generation ・Absorbing moisture (sweat, water vapor, etc.) from the body and generating heat, moisture-absorbing heat generation Instantly open when you feel hot! QuickFree® zipper used ・Opens automatically with a certain amount of load, so you can easily open it just by pulling the zipper left and right. ・The insertion part of the slider has a wide-open shape, making it easy to close the zipper. Comfortable to wear ・Stretchable and easy to move in! Pocketable ・Lightweight and warm, and easy to carry, making it convenient for travel Material Body: 90% nylon, 10% polyurethane Padding: 90% polyester, 10% synthetic fiber (acrylate) Will be shipped compressed.