Smartwool Intraknit Thermal Merino Base Layer Crew – Women's jacket High-pile 100% recycled polyester fleece

High-pile 100% recycled polyester fleece delivers serious comfort

it is an easy choice for hiking

Solid colors in 100% USA grown cotton

or everyday wear from the trailhead to town

Smartwool Intraknit Thermal Merino Base Layer Crew – Women's jacket High-pile 100% recycled polyester fleeceWhen cold temps meet high output on the trail or mountain, this is the base layer we reach for first. Smartwool's Intraknit construction places merino insulation and ventilation zones exactly where your body needs them so you stay warm without overheating. It works equally well under a shell or as a standalone piece on milder days. Intraknit body mapped zones deliver targeted warmth in core areas and active ventilation where you run hot no guesswork,