Wear the Women's BugsAway® Nosara Long-Sleeve Shirt with stretch as you're exploring your next trail, campground, or far-off city. Bug-blocking Insect Shield® treatment gives you the invisible, odorless protection of Permethrin and lasts up to 70 washes. Vents at the shirt back enhance breathability and help keep you cool. Sunny day? Built-in UPF-50 offers protection from dangerous UV rays. Flat-felled seams reduce irritation and chafing. Access small essentials in the zippered hand pockets, then forge ahead.