The Men's Arc'Teryx Ossa Overshirt - Summer sun, meet your match. An essential midlayer for high-exposure hikes, this button-up overshirt leverages 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.
| Weight | 138g / 4.9 oz |
| Fit | Relaxed |
| Activity | Hike |
| Model | X000010306 |