Merino Wool Pull On closure Machine Wash CUSTOM 80/20 BLEND OF MERINO WOOL/NYLON SPECIFICALLY DESIGNED FOR THE RIGORS OF MOTORCYCLING/SNOWMOBILING WHILE REMAINING 100% FUNCTIONAL FOR CASUAL USE AND RETAINING ALL OF THE BENEFITS OF MERINO WOOL KNIT FROM SUB 17 MICRON MERINO FIBERS FOR UNEQUALED COMFORT 150 GSM MERINO WOOL EXTREMELY VERSATILE/REGULATES YOUR MICROCLIMATE IN BOTH HOT AND COLD CLIMATES (ABLE TO KEEP YOU WARM AND COOL BUILT INTO ONE GARMENT) ODOR-RESISTANT / MULTIPLE-DAY USE WITHOUT ODOR MAINTAINS INSULATING VALUE EVEN WHILE WET STATIC RESISTANT SHRINK RESISTANT BREATHABLE STAIN RESISTANT CLASSIC SHORT SLEEVE T-SHIRT STYLING FUNCTIONAL EVERYDAY OPEN BODY FIT NOT TOO LOOSE, NOT TOO TIGHT MUTED BRANDING