The Mens 260 Zone Long Sleeve Half Zip Hoodie from Icebreaker is a heavyweight baselayer shirt with optimized fabric zones for active performance, the 260 Zone Long Sleeve Half Zip Hood is a technical top for skiing, winter climbing and other highly active days in cold conditions. This warm, breathable and odor-resistant top features our BodyfitZONE construction, which combines a merino wool and Lycra blend with strategically zoned panels of highly breathable eyelet merino mesh that actively controls temperature during high-output pursuits. The contoured hood fits easily under you helmet, and in the higher-wear areas we added merino and polyester waffle jersey for added abrasion resistance. Raglan sleeves, gusseted underarms, and flatlock seams throughout offer ample range of motion and eliminate chafing during fast-paced days.