Altra Duo Running Shoessearch

Altra Duo Running Shoes

Altra Duo Running Shoes

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Ultralight Training & Racing Shoes

Built for runners looking to set a new personal record without sacrificing comfort, the Altra Duo shoes are designed to support you through miles of speed training, racing, and road runs. The redesigned mesh upper wicks away moisture, while the TPU overlays provide a more secure fit. The midsole features 32 millimeters of Max-LT cushioning, which delivers flexible, responsive performance and offers a weight ratio that’s hard to beat. The FootShape toe box encourages natural toe splay and keeps the big toe straight for more comfort, stability, and power. FootPods on the outsole map the metatarsals for more adaptive, individualized cushioning across the foot. Finally, the proprietary Zero Drop platform ensures an ideal weight balance from heel to forefoot, promotes midfoot striking, and offers a flat, natural ride.

Note: At checkout, choose the men’s shoe in blue, orange, or red; or the women’s shoe in black/pink or dark purple. Available sizes vary by color. 

About Altra

Altra was born in the back room of a Wasatch Mountains running store, where owner Golden Harper met countless runners who complained of knee pain, shin splints, and other injuries from traditional pointed toe boxes and thick, heavy heels. A competitive runner himself, Golden began experimenting with shoe alterations to solve his customers’ problems. By melting the outsoles (in his trusty toaster oven!), he was able to remove the excess heel elevation for a more natural, relaxed foot position. The new platform design was dubbed Zero Drop.

Men's Sizing Guide

Women's Sizing Guide


  • Altra
  • Upper: Mesh with TPU overlays
  • Cushioning: Medium
  • Platform: Cushioned Zero Drop platform and FootShape toe box
  • Insole: 6mm Contour Footbet
  • Midsole: Max-LT with InnerFlex technology
  • Outsole: Blown rubber with FootPods
  • Last: PFS-W
  • Stack height: 30 mm
  • Nubuck pillow tongue
  • Drilex lining
  • Approx. weight per pair, men’s: 8.4 oz (238 g)
  • Approx. weight per pair, women’s: 7.1 oz (201 g)


All orders will be shipped by Massdrop.

Estimated ship date is Feb 19, 2019 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.

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