Buff Polar BRAND_BIRKENSTOCK Anatomical drop-in footbed for superior

Anatomical drop-in footbed for superior arch support

Full padded genuine leather insole for all-day support

the collapsible design makes it easy to pack without losing shape

Thanks to its 4-way stretch

Buff Polar BRAND_BIRKENSTOCK Anatomical drop-in footbed for superiorHighlights Made with 97% recycled content for eco conscious performance Insulated with PrimaLoft Bio fleece warm, soft, and fully biodegradable High thermal insulation with lightweight, breathable comfort 4 way stretch for versatile wear: neck warmer, hat, balaclava, and more Designed for high intensity activities in very cold conditions Flip, twist, fold endless ways to style and stay warm Description When the temperature drops, reach for the