This loose oversize tee without sleeves features a dropped armhole. The extended shoulder line is more modest than a traditional vest and this gives ideal sun coverage for when you?re out on the trails and stops chaffing when worn with a pack. Features:. Polartec© Delta? - cooling fabric. Made from recycled yarns. Breathable. Lightweight. Permanent wicking. Odour Resistant. Reduced cling. Relaxed fit