Add a slim and breathable layer of warmth to your ensembles wearing the Arc'teryx Rho Long Sleeve Crew Sweatshirt. It features flatlock construction with merrow stitch seam for added softness and comfort. Regular fit. bluesign approved. Fair Trade Certified sustainability. Torrent stretch fleece with Polygiene for moisture management and odor control. Gusseted underarms for mobility and comfort. Pullover style. 84% polyester, 16% elastane. Machine wash, line dry.