On Cloudmonster Men's Size:12.5 Arch: External semi-rigid polypropylene support

Arch: External semi-rigid polypropylene support shell

Dual Layer Cushioning:  Foam top layer

deep heel cup to provide stability

Made in the USA of Imported Yarn: 56% Merino Wool 40% Nylon 2% Recycled Nylon 2% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons

On Cloudmonster Men's Size:12.5 Arch: External semi-rigid polypropylene supportFresh from the lab comes their weirdest creation yet. Say hello to the Cloudmonster with more CloudTec, more cushioning, a more monster of a ride. Featuring the biggest Clouds ever, its Helion engineering combines with the signature Speedboard for explosive take offs and a radical forefoot rocker that will make your runners want to keep rolling along even on their longer runs. Running never felt like this. With their largest Cloud elements ever, this