The chill in the air lets you know that spring isn't quite arrived. But the trail beckons regardless, and you know that your Icebreaker GT Baselayer 200 Sprint Crewe Shirt will keep you just the right amount of warm despite the cooler temps. Merino wool's natural fibers provide excellent insulation and resist odors, and unlike traditional, long-cut wool fibers, merino wool's fine-cut fibers are soft to the touch