Stay warm and comfortable during long winter days with the Tundra Aerogel Socks by Outdoor Research. These socks are designed using NASA-trusted technology to provide exceptional insulation in alpine environments. Here are some key features:

- Insulated with PrimaLoft Gold insulation for superior warmth
- Water-repellent and breathable for all-day comfort
- Packable design for easy storage on the go
- Pertex Quantum shell is windproof and water-resistant
- Updated design with ankle cinch top for a secure fit
- Anti-slip sole for added traction on slippery surfaces

Whether you're exploring the Arctic or braving cold winter winds, the Tundra Aerogel Socks are the perfect choice for reliable protection and ultimate warmth. Trust in the advanced technology of these socks to keep your feet cozy in the harshest conditions.