The Men's Assimlilate II Core Stretch. This men's midlayer is crafted from recycled iLUS Core Stretch, offering 4-way stretch for superior freedom of movement. It features a brushed-back finish for warmth and comfort. Antibacterial odour control keeps you fresh on any adventure, and it provides UV50+ protection. Made with recycled warm-backed stretch fabric with textured fabric panels. Features Ilus Core Natural anti-bacterial odour control properties, a grown-on hood, a full-length zip, and two lower zip pockets.