Layer up and head outside for your cold-weather runs with the icebreaker 260 Tech Long Sleeve Crew. When you have the right clothing, getting out for your runs and workouts during the winter is easy. This warm, midweight long sleeve is the perfect base layer thanks to its merino wool construction that regulates your body temperature and dries fast in all weather conditions. Details: 100% Merino - Soft merino fibers regulate body temperature in all weather conditions and resist odors Gusseted underarms for mobility and comfort Offset shoulder seams to prevent friction Flatlock seams to prevent friction Backward set side seams to prevent friction