Men's Merino Active Fleece TightNo matter what activity you're gearing up for, put comfort first with the Smartwool Active Fleece Tight. The stretchy knit fabric puts soft brushed Merino wool next to skin while a durable synthetic material fights the elements. The slim fit lets you move without needing to adjust, plus ankle zips for extra breathing room. And it has reflective elements. Material Main Body 47% Polyester, 38% Wool Merino, 15% Elastane Lining: 53% Wool Merino, 47%