Part of icebreakers popular everyday thermal underwear collection the mens long sleeve half zip baselayer provides impressive warmth and comfort without overheating constructed from soft lightweight merino wool rib fabric this top is breathable naturally odour resistant and fits close to the body to manage moisture effectivelyactivityrunning walking hiking snowsportscolour swatchblackflat locked seamsyesgendermensmaterialmerino woolperformancebreathable wickingsleeve details