SKU 9832015 Feel cozy warmth layering up wearing the Smartwool® Intraknit Active Base Layer Bottoms. Slim fit. Merino sport yarn with quick-drying properties. Intraknit™ technology featuring insulation, articulation, and ventilation to amplify movement and comfort during high-intensity activities. Pull-on style. Flat stretchable waistband. Fitted leg cuffs. 52% merino wool, 21% TENCEL™ Lyocell®, 20% polyester, 7% elastane. Machine wash cold, gentle. Imported. View Zappos.com Glossary of Terms Smartwool Intraknit Active Base Layer Bottoms