Smartwool Classic Thermal Merino Base Layer 1/4 Zip – Women's Color:Purple Iris Heather 400g Thinsulate keeps you warm

400g Thinsulate keeps you warm through stationary glassing sessions or long slogs

Vibram's LiteBase sole cuts outsole thickness by up to 50% and weight by up to 30% while holding onto the grip and traction Vibram is known for

and odor resistance across full ski days

Flip-flop design slips on and off fast — ideal when your legs are already done

Built with 30% recycled materials and weighs just 11

Smartwool Classic Thermal Merino Base Layer 1/4 Zip – Women's Color:Purple Iris Heather 400g Thinsulate keeps you warmCold weather trail runs, winter hikes, and frigid camp mornings this is our go to heavyweight merino base layer for women who don't slow down when temps drop. 100% merino wool in an interlock knit regulates body heat and kills odor naturally, no matter how hard you're working. The quarter zip lets you shed heat fast without stopping to strip layers. 100% merino wool interlock knit delivers real warmth, moisture management, and natural odor resistance