Arc'teryx Rho LS Crew WTorrent lightweight fleece stretches, wicks away moisture, and has brushed interior that elevates performance and soft comfort. A Polygiene treatment provides long lasting odour control. The trim fit keeps the material close to the body for more effective performance, but does not restrict, the crew neck layers easily, and articulated patterning adds freedom of moveme Light, comfortable trim fit base layer for lower output in cool temperatures Primary