W Ultrafly 5 Black LADIES Exterior cuffs are adjustable with

Exterior cuffs are adjustable with snap closures

Made of Imported Yarn: 51% Merino Wool 25% Nylon 19% Recycled Nylon 4% Elastane 1% Polyester *Specific percentage of Recycled Nylon will vary as Smartwool transition to 100% Recycled Nylon in future seasons

BELLOWS FLEX technology for a men's waterproof

you've got to last a lifetime

W Ultrafly 5 Black LADIES Exterior cuffs are adjustable withOur fan favorite returns with the legendary comfort and stability youve loved for years, now with more cushioning and an exciting new look. Ultrafly 5s medial post and external TPU heel counter offer light pronation support for a stable and smooth run. We upped the stack height to 30 x 25 mm for 2 mm of additional cushioning. Our ZipFoam midsole delivers a lightweight and responsive ride, while our OrthoLite Performance Insole provides a soft step in