Helly Hansen H2Flow


$180; hellyhansen.com


A simple polyester shell with elastic cuffs and a drawstring hem houses a brushed interior of 200g Polartec fleece. Sounds uncomplicated until you look at the inside of this jacket: The fleece—lining the chest and back—is pocked with dozens of dime- to quarter-sized holes that trap heat when you need it and ventilate when you don’t. Air out by opening pockets and two strategically placed zippered vents, or zip up to retain heat. “I was skeptical at first,” said one tester. “But after shoulder-season climbing throughout Colorado’s Front Range, I’m a be - liever. It’s an all-but-waterproof layering system in one comfortable and versatile jacket.”