It's made from heathertech material for a soft feel and NB DRY technology to wick away sweat

the new Challenger 7 has been completely reimagined from the ground up

+ Weight: Men's 255g

Featuring GRAPHENE-GRIP rubber for the world’s toughest traction and a POWERFLOW MAX foam for a cushioned ride with a snappy bounce

upper back and sleeves to help keep you cool on your run

Women's Altra Paradigm 7 Accessory It's made from heathertech materialSupport doesnt have to mean big, ugly clunkers. Meet the Paradigm 7, with a fresh redesign featuring an engineered mesh upper for breathability and ghillie lacing for a secure fit. A molded heel collar with soft detailing and premium lining materials provides a soft step in feel. Experience responsiveness with a side of plushness in 30 mm of lightweight, updated Altra EGO MAX midsole foam. Invite your feet to spread out in Altra's Standard FootShape