PORON® XRD™ in the heel strike zone

flexible polyurethane that is durable even at the most extreme temperatures

Molded external heel counter helps control heel movement

which is enhanced further with Ortholite® moisture-wicking technology in the footbed

The modern thong sandal from Birkenstock

MEN'S SOREL CARIBOU BUFF WINTER BOOT Size:8 PORON® XRD™ in the heelProduct Details: Size Chart Often imitated but never equaled, the original Sorel boot features a nubuck leather upper with waterproof construction, seam sealing and a removable ThermoPlus felt inner boot for warmth, comfort and protection in cold and wet winter weather. Best For: Heavy Snow UPPER: Waterproof nubuck leather upper. Seam sealed waterproof construction. INSULATION: Removable 9mm washable recycled felt inner boot with Sherpa Pile snow