Arc'Teryx Women's Size Chart The Rho LT is a comfortable, warm base layer for lower output activities in cool temperatures. The moisture wicking Torrent(TM) brushed polyester blend fabric delivers performance stretch and effective thermal regulation with an excellent feel next to the skin. Articulated patterning and gusseted underarms add freedom of movement, flatlock seams minimize irritation, the taller collar and trim fitting ScubaHood(TM) provides additional warmth, and the deep zip neck opens easily for rapid ventilation. Features: - Moisture-wicking - Breathable - Flatlock construction improves next-to-skin comfort - Brushed fabric is soft next-to-skin - Next-to-skin fit aids thermal efficiency and moisture transfer - No-lift gusseted underarms - Trim-fitting ScubaHood(TM) - Tall collar with a deep zip neck provides warmth with rapid ventilation - Laminated sleeve pocket with laminated zip - Alternate images do not reflect actual color - Only available to ship within the USA