Mesh material cooling vest with water cooling function, free size, black. - Brand: Xebec - Model: Water Cooling Clothing - Function: Water-cooled tube circulation vest - Color: Black - Size: Free size - Material: Mesh material - Pockets: With multiple pockets Thank you for viewing. I used it only once after purchasing. It's really cool and feels great, but I'm selling it because I no longer need it due to a job change. I threw away the box, so everything is as shown in the photos.