When the trail stretches endlessly under a blazing sun, the Outdoor Research Eclipse Sun T-Shirt transforms those scorching adventures into comfortable pursuits. This technical hiking shirt delivers maximum UPF 50+ protection, blocking 98% of harmful UV rays while its moisture-wicking fabric keeps you dry and cool during those grueling climbs and multi-day backcountry expeditions. The real game-changer is the ActiveFresh™ odor control technology that keeps you fresh through days of hard use – because nobody wants to be that hiker who clears the trail just by walking by. Built with dynamic reach patterning and a touch of stretch, this outdoor shirt moves naturally with your body whether you're scrambling over boulders or shouldering a heavy pack, making it the reliable companion for every sun-soaked adventure from dawn patrol climbs to those epic all-day hikes.