The Men's Assimlilate II Core Stretch. The men's midlayer is crafted from our recycled iLUS Core Stretch, combining 4-way stretch properties for superior freedom of movement. It also has a brushed-back finish, which provides warmth and comfort. The antibacterial odour control keeps you fresh, whether on a long hike or a short trail walk. Finished with UV50+ protection. Recycled warm backed stretch fabric with textured fabric panels - Ilus Core Natural anti-bacterial odour control properties Grown on hood Full length zip 2 x lower zip pockets The Dare 2b Assimlilate II Core Stretch. Made with stretch fabric, the men's midlayer provides unrestricted movement. Thanks to the brushed-back finish, you're gifted a comfy and warm fit. The natural antibacterial odour control keeps you fresh on the trail. It comes with UV50+ protection.