Arc'teryx Ossa Overshirt - Men's Clothing : Alpine Blue : ; The Arc'teryx Ossa Overshirt is an essential mid-layer for high-exposure hikes that leverages breathable, UPF 50+ material for sun protection. Easy to layer over a tee or tank, its textured nylon ripstop minimizes skin-sticking in hot conditions. The pop-up collar protects your neck when the sun's beating down. It features a hidden button-front closure, long sleeves with buttoned cuffs, a zippered pocket at the left chest with signature brand logo, and a straight hem. It conveniently packs into its chest pocket, making storage easier. ; Regular fit. ; Standard length. ; 87% nylon, 13% elastane. ; Machine washable. ; Imported. | Arc'teryx Ossa Overshirt Men's Clothing Alpine Blue : SM, Elastane/Nylon
