The Long Sleeve Baselayer Crew receives "Most Breathable" in baselayer roundup. "Our sweatiest testers tried their best to swamp out this shirt with a winter's worth of hiking and cross-country skiing, but never managed to overwhelm its wicking prowess. That's doubly impressive for a top that's 73 percent merino wool, which typically comes in second to synthetic fabrics in the wicking department."
