Outdoor Research Men's Size Chart Made with soft and light drirelease(R) merino and anti-odor Fresh- Guard(R), the Sequence Crew wicks moisture, and dries 4 times faster than 100% Merino. It has a streamlined, first-layer fit., with flat seams to prevent chafing. Contrast panels and a printed logo add some subtle good looks. Features: - Wicking - Quick-Drying - Breathable - Lightweight - Anti-Odor - Contrast Stitching - Lycra Binding Collar - Screen Print Logos - Flat Seams - drirelease(R) merino 88% polyester, 12% merino wool