Published by at 04/08/2026 Arc'teryx Rho AR zip-neck base layer in black features a moisture-wicking Polartec Power Stretch construction for thermal regulation during high-output activities. Designed with a tall collar and a deep front zipper for rapid ventilation, this performance top includes a laminated zippered sleeve pocket with the signature bird logo embroidery. The interior is lined with a soft brushed fleece for next-to-skin comfort, while the smooth outer face allows for easy layering. Note: small cosmetic marks on the front as shown in photos. Measurements: • Pit to Pit: 18" (36" chest) • Length: 24" • Sleeve Length: 22"
