Men's Circadia Mid Waterproof Bison ACTIVE The best-selling winter duck boot

The best-selling winter duck boot by SPERRY provides the ultimate combination of comfort and style

Made of 71% Merino Wool 10% Nylon 18% Recycled Nylon 1% Elastane *Specific percentage of Recycled Nylon will vary as Smartwool transition to 100% Recycled Nylon in future seasons

With a blend of cotton and hemp upper

Hand-sewn whipstitching detail

Men's Circadia Mid Waterproof Bison ACTIVE The best-selling winter duck bootWhatever kind of hiking you like to do, comfort, protection, and traction are non negotiable must haves. So a perfectly cushioned, waterproof, grippy hiking boot has been built by KEEN that checks all the boxes. All hike. No compromises. Details Waterproof protection: environmentally preferred leather upper has a KEEN. DRY waterproof, breathable membrane to keep your feet dry. Lightweight cushioning: KEEN LuftCore technology embeds a lightweight foam