Altra DUO Running Clothing The Syntec Pro grip ensures

The Syntec Pro grip ensures better control of your racket thanks to its sticky feel that enhances traction

Recoil midsole + SoftFoam heel insert provides a comfortable cushioning and at the same time giving you some extra energy rebound in the toe off phase

A toe-centric design that cuts down on pressure in the big toe

The base structure that connects the outsole to the midsole

1x Gel pack

Altra DUO Running Clothing The Syntec Pro grip ensuresIf you're looking for max cushion with minimal weight, the Duo is your shoe. It is a lightweight, race day shoe through and through. With these fresh new colors comes small tweaks for even better performance and durability; the upper is reinforced with updated mesh, the tongue is padded and gusseted for better lockdown, and the Max LT midsole is ready to race mile after mile.