Price negotiable (^O^)v Please take note. UV-cut cooling vest equipped with a 12000mAh battery. Stylish water droplet design. - Brand: Sumeriv - Type: Cooling vest - Function: UV cut - Battery capacity: 12000mAh - Accessories: Ice pack - Design: Water droplet pattern - Size: Medium/Large (Unisex) Thank you for viewing. I tried it on once indoors. It was indeed cold, but, I can't use it at work, so I'm putting it up for sale. I bought it for 12,980 yen.