Smartwool Classic Thermal Merino Base Layer Women's 1/4 Zip Alpine Mid developed for NASA

developed for NASA

but don’t let the style fool you

For a more ergonomic fit

Taking it a step further as far as weather protection

11-miilimeter pole baskets provide you with great balance with each pole plant and keep you above the snow when loose and even powder conditions

Smartwool Classic Thermal Merino Base Layer Women's 1/4 Zip Alpine Mid developed for NASALooking for a base layer that will keep you comfortable in any situation? Look no further than the Smartwool Classic Thermal Merino Base Layer. As one of the heaviest base layer tops in the Smartwool collection, it is made with 100% responsibly sourced merino wool and designed to provide enhanced comfort, breathability, thermoregulation, and odor resistance. The slim fit is updated to improve functionality while enhancing aesthetics for a range of