Under Armour UA Merino 1/4 Zip Sweater - Men's Lightweight fabric designed to fit over polo shirt without sacrificing mobility. Soft, warm merino wool blend lets you layer without the bulk of heavier fabrics. Signature Moisture Transport System wicks away moisture to keep you drier and more comfortable. Rib-knit collar, cuffs, and side seam panels provide additional stretch and comfort.1/4 zip collar allows for on-demand ventilation. Anti-Odour technology prevents the growth of odour-causing microbes so you stay fresher, longer. Full, loose fit for enhanced range of motion & breathable comfort, perfect either on the golf course or for day-to-day wear.