Icebreaker M 260 Zone Legles (3/4 legging) Heavyweight men’s merino wool base layer bottoms for highly aerobic days in cold weather, the 260 Zone Legless features zoned ventilation panels for active temperature regulation. Features BodyfitZONE™ - features breathable zones for high intensity activity Gusset for mobility and comfort Flatlock seams to prevent friction Content Body: 97% Merino Wool/ 3% Lycra® Panel: 100% Merino Wool Mesh: 98% Merino Wool/ 1% Lycra®/ 1% Nylon Exclusive Of Decoration Fit Slim