Our take Do not let the dog days of summer time hold from you hitting the trail. The F.K.T. II has an revolutionary method, identified as Omni-Freeze Zero, to aid you keep cool. Tiny rings on the inside of the shirt include a hydrophilic polymer the polymer expands when you sweat, hoovering up moisture and giving a cooling sensation thanks to the enhanced price of evaporation. That, plus the reality that the F.K.T. II is covered with tiny dots of titanium dioxide (a crucial ingredient in sunblock) to reflect UVA/UVB rays, kept us from boiling more than on 100°F days in the California desert.
The specifics The F.K.T. II has a half-length chest zip for venting and a drop-tail for complete back coverage. Its polyester fabric survived a couple of run-ins with cacti, and 1 tester reports that she didn’t see any abrasion on the shirt in spite of wearing it below heavy pack straps for 100 days.
Trail cred “I was skeptical of the ‘magic cooling’ properties at very first, but when the sun was blazing on the Pacific Crest Trail and I was operating tough, I by no means overheated,” says our thru-hiking tester.
$75 m’s S-XXL, w’s XS-XL Invest in The Columbia F.K.T. II Brief Sleeve Shirt Now