A lightweight, uptempo running shoe has a loyal following. It has a soft, yet responsive midsole and a comfortable knit upper featuring Altra's classic "Original" foot shape which is the roomiest option.

• Altra Ego is a midsole compound designed for high energy return, providing high levels of durability and responsiveness.
• Inner Flex is comprised of a flex grooves system that provides additional flexibility and cuts weight for increased performance.
• FOOTSHAPE Design follows the natural shape of the foot for ultimate comfort.

OUTSOLE

• FootPod Outsole follows the natural construction of the human foot for maximum flexibility and a responsive ride.

UPPER

• Engineered Knit Mesh conforms to the foot for a sock-like wrap that is sleek and breathable.
• Decoupled Heel uses minimal construction on the upper for a fast feel.
• PFS Performance Last is designed for a snug, high-performance fit.
• PU insole adds long-lasting plushness for a soft step-in feel.
• Dri-Lex Dri-Freeze Heel Liner provides heat control for a better on-foot feel.
• Original Footshape is the fit that started it all. This is the roomiest of the 3 options accommodating those runners with higher volume feet.