Whether your day calls for moving quick and light to set a new FKT, or you just need a solid layer with the perfect mix of warmth, stretch, and breathability, the Up First™ tech fleece long sleeve half zip delivers on all cold fronts. A mix of odour-blocking fleece and a stretch-knit construction is body-mapped for peak levels of warmth where it counts and flexibility where it’s needed. Integrated thumb loops are there to keep your sleeves in place, and a secure zippered chest pocket houses small essentials when you’re clocking those critical backcountry miles.