evo.com | Arc'teryx Long Underwear Tops > Get zipped into the Rho LT Zip Neck Top and you've unlocked a new level of outdoor comfort. This base layer chameleon adapts to your temperature faster than a mood ring, thanks to its nifty zip collar. Made with Torrent(TM) fabric that's smoother than a freshly groomed ski run, it'll keep you cozy whether you're conquering mountains or just conquering your couch. Fitted Polygiene(R) Antimicrobial Treatment Provides lasting odor-resistance. Torrent(TM) 190 Microfleece Torrent(TM) 190 fabric manages moisture, provides light warmth and performance stretch, is brushed for softness. Laminated Chest Pocket Secures small essentials. 1/4 Zip Mock Neck | Arc'teryx Rho LT Zip Neck Print Top Men's 2026 - Medium Brown