Arc'teryx Rho LT Hat Unused, domestic genuine product. Color: Black Size: L-XL Lightweight, versatile, high-performance thin headwear. Can be worn under a helmet, or on its own on cool days. Uses brushed microfleece Torrent. The breathable, stretchy material is made with moisture-wicking yarns and offers breathability, thermal performance, and odor resistance, while also being soft and comfortable against the skin. It's an item you'll want to have three of: one near the door, one in your favorite jacket pocket, and one under the car seat. Always keep a Rho LT Hat within reach.