Locating fossils in Death Valley by GPS was a great idea for a volunteer vacation, and with the Sun Tracker L/S, it's even doable. 3.5-oz. polyester is nice and light, but still tough enough to handle scrapes from limestone or spiny growth.

UPF 30+ shields you from the relentless UV rays, while Dri-X-Treme™ treatment speeds wetness away, letting your body cool itself more efficiently. A discreet sun-shield collar unfolds to protect your neck. The back is vented and lined with Dri-X-Treme™ mesh to keep things as airy and cool as possible.

Side vents allow a finished look tucked in or out. Add a flattering, feminine cut and wrinkle resistance, and you'll be looking enviably cool, tidy, and poised even in the 120+ degree heat

This attractive shirt is pure performance. 2.1-oz Helios Nylon mimics cotton's natural look and feel, but with UPF 30+ protection. Its feather light and tough as nails.

Dry-X-Treme™ finish enhances its inherent moisture management, helping to regulate body temperature more efficiently, whether you're trying to cool down or warm up.

Vented back yoke and mesh-lined collar maximize airflow. No seams at shoulder or underarm, to keep you going all day without chafing. Button tabs keep sleeves rolled up. Washes in a creek, dries in a flash, packs down small, and shrugs off wrinkles. Because a good sentry is prepared for anything.