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Don't be sheepish when cold weather hits

A great solution to cold and wet feet. The DeFeet Woolie Boolie is constructed from a warm wool/poly blend yarn to keep you pedalling.

Product details

  1. Thick padding through the entire heel & foot bottom
  2. Wool fibers inherently manage moisture

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Gender Unisex
Fiber content 49% Nylon / 48% Merino Wool / 3% Lycra
Material Knit
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.

Sizing & fit



US Men

US Women