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All Collections
Men's
- Shop by Weight
- Shop by Activity
  - Biking
  - Golfing
  - Hiking
  - Hunting
  - Pickleball
  - Running
  - Skiing & Snowboarding
  - Workwear
- Shop by Height
  - Micro
  - Ankle
  - Mid Crew
  - Crew
  - OTC
- Shop Graphic T-Shirts
- Shop Accessories
Women's
- Shop by Weight
- Shop By Activity
  - Biking
  - Golfing
  - Hiking
  - Hunting
  - Running
  - Pickleball
  - Skiing & Snowboarding
  - Workwear
- Shop by Height
  - Micro
  - Ankle
  - Mid Crew
  - Crew
  - OTC
- Shop Accessories
- Shop Graphic T-Shirts
Accessories
Paca Points
Find Your Sock
Unconditional Lifetime Warranty
Learn More

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Conquer Lightweight 9" Crew Alpaca Sock

Surino Lightweight Sport 9" Crew Alpaca Sock

Prevail Mid-Weight 9" Crew Alpaca Sock

Adventure Heavyweight 9" Crew Alpaca Sock

Altera Alpaca — Performance Redefined.

At Altera, we believe your gear should work as hard as you do. That’s why we’ve redefined performance from the ground up—starting with socks. Using the natural power of alpaca fiber, we’ve created socks that outperform cotton and synthetics in comfort, durability, moisture control, and temperature regulation.

Our commitment doesn’t end with the sock. Every pair is backed by our Unconditional Lifetime Warranty—because performance should never be a question mark.

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