Men's Altra Paradigm 8 Sleeves OS1st's Compression Zone Technology applies

OS1st's Compression Zone Technology applies varying levels of pressure to six different zones

When shorts aren't quite enough

Synthetic and engineered knit mesh upper material

Toe Protect technology helps protect feet from rocks

Mesh lining: 81% polyester/19% spandex

Men's Altra Paradigm 8 Sleeves OS1st's Compression Zone Technology appliesIts 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. We 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 to