evo.com | Arc'teryx Mid-Layer Bottoms > Polartec(R) Power Stretch(R) Pro gives the Arc'teryx Rho SV Bottoms a slick nylon face that glides under shell pants and a brushed interior that holds heat when you stop moving. A next-to-skin fit, articulated patterning and a laminated zippered thigh pocket for your phone make these heavyweight base layers a cold-day staple from the skin track to the resort. Articulated Patterning Next-to-Skin Fit Arc-teryx's most streamlined fit. It's patterned to keep material as close to the body as is comfortably possible to enhance moisture management, thermal efficiency, and fit comfortably under layers. Contrast Fabric 88% Nylon / 12% Elastane Polartec(R) Power Stretch(R) Pro 53% Polyester / 28% Nylon / 9% Elastane Laminated Zippered Thigh Pocket Sized for Smartphones | Women's Arc'teryx Rho SV Bottoms 2026 - X-Small Red Pant | Nylon/Elastane/Polyester