Text version of the review below:
This flannel has a bit more under the hood than the typical lumberjack getup. Its hollow-core polyester yarn pulls double-duty in variable conditions: Individual fibers lie flush against each other to trap more heat than conventional yarn, while their capillary action draws moisture away from your skin into spaces between the filaments, where it evaporates to keep you cool. “While climbing near Mont Blanc in fast-changing conditions, I stayed comfy even as my core temp fluctuated,” says our tester. Underarm mesh panels aid breathability, and a lower back pocket is large enough for snacks but doesn’t interfere with your pack. Read the full review here.