If you’re not sure how to dress during your winter workouts and adventures, start with the icebreaker 260 Vertex Long Sleeve Half Zip. This incredibly warm base layer uses merino wool to regulate your body temperature in all conditions, so you’ll stay warm and dry whether you’re running or skiing. Plus, the unique jacquard pattern and graphic print were made in collaboration with English-Māori artist Fern Ngatai; the unique graphic print represents the connection and bond between people and nature. Details: Soft merino fibers that regulate body temperature in all weather conditions and naturally resist odor Gusseted underarms for mobility and comfort Flatlock seams to prevent friction Offset shoulder seams to prevent friction Backward set side seams to prevent friction Drop tail hem for added coverage