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Altra Three Sum Men's Zero Drop Running Shoes

Lightweight and Comfortable.

Original Price: $130
$64.99
Shipping: Add to Cart to See Price!

The 3-Sum™ is the sum of the three event triathlon experience. Lightweight, fast, and lightly cushioned, the 3-Sum™ is built for triathletes who demand the ultimate in performance. With a seamless upper, easy-on transition pull-tabs, quick-draw lacing system and heel/forefoot drain holes, the 3-Sum™ minimizes transition time and maximizes performance. The Zero Drop™ design allows for natural loading of the calf and Achilles, while optimizing the landing angle to ensure powerful speed with minimal impact. The Altra 3-Sum™ – get off the bike and run like there is no tomorrow!

  • Ideal Uses: Triathlons, Running, Road Racing, Speed Work
  • Platform: Zero Drop™ Platform, Foot-Shaped Toe Box, Natural Ride System
  • Stack Height: 18 mm
  • Midsole: Blended EVA/AltraBound™
  • Outsole: Blown Rubber SpeedPod
  • Insole: 5mm Contour
  • Upper: Minimal Liner / Sock-free Liner, Treated for Anti-odor / Anti-bacterial
  • Lacing Structure: Custom Yankz Quickdraw Laces for customized fit and faster transition
  • Other Features: Seamless upper, Easy-on Transition Pull Tabs, Quickdraw Laces, Heel and Forefoot
    Drain Holes, Vegan Friendly, Natural Ride System
  • Brand New
  • 30 Day Warranty

Shipping Information:

  • Shipping Price: Add to Cart to See Price!
  • Estimated Delivery: between May 4 - May 14. (more info)
  • Return Policy: Returns available within 30 days (more info)
  • Ships To: U.S. (No AK/HI, No P.O. Boxes, and No Military Addresses)

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