Smartwool Everyday Merino Bikini Boxed – Women's backpack A main zippered compartment plus

A main zippered compartment plus a quick-access outer pocket keep your phone

comfortable wear with a sustainable material story

Removable insole adds an optional layer of cushion and warmth when conditions call for it

When the temperature drops but you still need to move

Smartwool Everyday Merino Bikini Boxed – Women's backpack A main zippered compartment plusFor everyday wear, travel, and active days alike, this is our pick for women who want underwear that actually works in the heat. Merino wool naturally regulates temperature and resists odor, so you stay fresh whether you're logging miles or logging hours at a desk. Flatlock seams and a bikini cut keep things low profile and chafe free under any layer. Merino wool blend fabric manages moisture, regulates temperature, and naturally resists odor no