The light, quick-drying Arcteryx Ether Comp Jersey top has adventure woven into the fabric. Take it for a spin and see what happens. Vivital silkweight fabric is extremely breathable and keeps you cool during high-output activities. Enduraflex panels on top of shoulders and along arms add light stretch and boost ventilation. Flatlock seams feel great next to skin heat transfer label gets rid of that annoying tag. Athletic fit keeps things snug and out of the way during activity.