Arc'teryx Women's Size Chart Natural, casual style and comfortable technical performance come together in the Sirrus, a crew neck top designed for easy weekends and daily wear. Made from DryTech(TM), a quick-drying, subtly textured cotton/polyester blend that pulls moisture off of the body for rapid evaporation, the Sirrus stays cool and dry on the move. The scooped neckline creates a finished look and layers nicely under a sweater or button front. Features: - Moisture-wicking - Breathable - Lightweight - Quick-drying - Polyester next-to-skin wicks moisture and dries quickly - Textured plaited cotton outer - Long length provides coverage and warmth - Neckline Configuration - Crew neck - DryTech(TM) Stretch Double Knit - 88% cotton, 10% polyester, 2% elastane - Fall/Winter DIscontinued Style/Colorway - Alternate images do not reflect actual color - Only available to ship within the USA