Men's Paradigm 8 (420- Blue/Gray) Ultraspire1 The unique combination of reliable

The unique combination of reliable comfort and high performance offers versatility that spans from every day to race day

When you're going hard

Flatlock seams to avoid chafing

Mesh at the inseam and upper seat lets air flow to help keep you cool

Men's Paradigm 8 (420- Blue/Gray) Ultraspire1 The unique combination of reliableIts a supportive shoe disguised as a sleek road runner. And its here to help guide your feet in a straight line while delivering efficient, lightweight strides. Altra updated the Altra EGO MAX midsole compound, for a more cushioned yet lightweight underfoot feel. GuideRail technology encourages natural foot placement with gentle guidance on the medial side, but only when its needed. A redesigned engineered mesh upper and ghillie lacing system combine