Women's Paradigm 8 Boot the Challenger 8 delivers all

the Challenger 8 delivers all the smooth cushioning and confidence-inspiring traction you’ll need to tackle a variety of terrain

The high-density foam footbed is enhanced with a raised EVA heel wedge and covered with luxurious fleece for cushioned support

Padded Antistress footbed for added comfort

the 574 is synonymous with the boundary defying New Balance style

100% Leather

Women's Paradigm 8 Boot the Challenger 8 delivers allIts 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