2027931 Mountain Hardwear Women's Summer Rib Tank A backpacking MVP, the Sumer Rib Tank features a rib-knit, UPF 40 fabric that wicks sweat and resists odor on long outings under the sun. Designed with forward shoulder seams that work seamlessly with pack straps, it provides chafe-free milage for you to comfortably explore the great outdoors. Uses: Superlight Backcountry, Rock Climbing, Backpacking, Hiking, Casual, Travel, Camping Rib texture UPF 40 fabric filters harsh UV rays Anti odor Moisture wicking Racerback MHW patch logo at bottom left hem Center Back Length: 25.5 in Standard Fit: Not too tight, not too loose. Standard fitting apparel will fit over base and mid-layers without restricting movement. Fabric Performance Rib 100% Polyester