The Men's Substratum II Core Stretch Midlayer is crafted from iLUS Core Stretch fabric, offering 4-way stretch for superior freedom of movement. This zip-up hiking top features a brushed-back finish for warmth and comfort. The antibacterial odour control and quick-drying fabric keep you fresh on the trail, and it provides UV50+ protection. Made from recycled warm-backed stretch fabric with textured fabric panels, it also boasts Ilus Core Natural anti-bacterial odour control properties, is quick-drying, and has a full-length zip and a high neck for close-fit comfort.