Women's Altra FWD Via Carbon Plate the OS1st Thin Air Performance

the OS1st Thin Air Performance Calf Sleeves can also be comfortably worn under clothing

curved frame works best on medium or large-sized heads

An FF Blast+ ECO midsole is slightly firmer than last year’s version and still delivers all the bounce runners loved about the Nimbus 25

Powerful with speeds up to 3200 RPM

Women's Altra FWD Via Carbon Plate the OS1st Thin Air PerformanceFEATURES All new Altra EGO FLO super critical midsole foam for a soft and max cushioned ride Low drop with retuned rocker shape geometry for a smooth transition and efficient toe off Engineered spacer mesh upper for style and breathability Altras Original FootShape Fit with room for your toes and space in the midfoot for a familiar Altra feel