Smartwool Intraknit Thermal Merino Base Layer Crew – Women's jacket DryVent waterproof membrane seals out

DryVent waterproof membrane seals out mud and moisture while letting your foot breathe on long climbs

and elastic cuffs seal out the elements at every entry point

Solid colors in 100% USA grown cotton

Mechanical stretch fabric moves with you through bending

Elastic cuffs keep the jogger silhouette clean and prevent fabric from riding up on the trail or in the gym

Smartwool Intraknit Thermal Merino Base Layer Crew – Women's jacket DryVent waterproof membrane seals outWhen 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,