This North End men's quarter - zip is great for guys on the go. Whether you're heading to work, playing golf, or commuting in the morning, it's your perfect companion. It's made of 100% recycled polyester Coolcore mesh, weighing 4 oz/yd² or 140 gsm. The material comes from recycled plastic bottles, and it uses Coolcore technology for a chemical - free performance. It can wick moisture, regulate temperature, and provide UV protection without any topical treatments. The reverse coil zipper with a rubber pull adds to its functionality.