Our versatile baselayer design in a midweight, zip-neck design, the updated 260 Tech Long Sleeve Half Zip is a go-to foundation for cold-weather layering, whether you're scoring a powder day at the resort or enjoying a quiet hike through the woods. Made from 100% merino wool jersey fabric with a deep front zip that quickly dumps excess heat, the Tech LS Crewe insulates next-to-skin, breathes to regulate temperature and resists odors on active days or long stints away from home. Gusseted underarms, forward side seams and offset shoulder seams improve range of motion and prevent chafing when you're moving fast or wearing a pack. Features Zip neck collar for temperature regulation, Offset shoulder seams prevent pack rub, Flatlock seams prevent chafing, Forward side seams for comfort, Underarm gusset for comfort and mobility, Drop tail hem for added coverage, Center back length: 75.4cm/29A 3/4", size L, Icebreaker tonal embroidered logo Benefits Comfort, Breathable, Warm Content 100% Merino Wool Care Instructions MACHINE WASH WARM. WASH WITH LIKE COLORS. DO NOT USE SOFTENERS. FASTEN ALL CLOSURES TO WASH AND DRY. DO NOT BLEACH. DO NOT TUMBLE DRY. LINE DRY IN SHADE. WARM IRON. DO NOT IRON PRINT, TRIMS AND ACCESSORIES. DO NOT DRY CLEAN.