- ionic+™ antimicrobial silver fiber fabric for odor control
- UPF 50+ for sun protection
- Fit options for different body proportions
- Check out our custom prints on the right sleeve
- Great for hiking, biking, running, kayaking, packrafting, camping, hunting...
- Made in Anchorage, Alaska
Made in the tradition of our technical, anti-odor, versatile designs, this long sleeve base layer is perfect for all your year-round adventures. From backcountry skiing and snowboarding, to slush-season camping trips, to sweaty summer hikes, the Treeline helps you do it all, while also keeping you feeling fresh with our quick-drying silver fiber fabric! With a high neckline and full-length sleeves and torso for optimal protection from sun, wind, rain, and bugs, this top is not only functional, but comfortable too. Seams placement is tailored for wear with backpack straps to keep you comfortable.
Fabric
Our Sterling™ fabric contains ionic+™ antimicrobial technology with silver in the fiber, so you can wear it multiple times between washes without building up odor. This luxurious fabric is also quick drying and cottony soft to the touch, so it can be worn all day for outdoor fitness, recreation and comfort! UPF 50+ for sun protection! Prints and colors updated seasonally.

Fit
We offer fit options! Granite for a more straight frame shape, Cinder for a narrow waist compared to shoulders. Refer to Your Alpine Fit for more info.

Specs
83% Polyester
9% ionic+™ (formerly XT2®) Polyester
8% Lycra® Spandex
contains silver
Weight 7.5 oz (213g) size large
Made in Anchorage, Alaska