A lightweight performance layer that looks and feels good? Yes, please. The Women's Aella Long-Sleeve Shirt features AirExchange technology, which allows more air to pass through this long-sleeve shirt and keeps you cool, plus built-in UPF 20 sun protection. 

Flat-felled seams reduce abrasions and skin irritation, while forward-set shoulder seams increase comfort when you're traveling with a backpack. The button-down style adds stylish appeal during off days in town.

• AirExchange performance fabric is lightweight and breathable, allowing more air to pass through for increased comfort
• Forward-set shoulder seam for added comfort with or without a backpack
• Flat-felled seams for reduced abrasion and added durability
• Sun protection with an ultraviolet protection factor (UPF) of 20
• Shirttail hem for increased coverage; Darts for tailored fit
• Double chest pockets