Altra Provision 4|US 9|US 9.5|US 10|US 10.5|US 11|US 11.5|US 12

Lightweight upper: Offers breathability New dynamic arch feature: Provides enhanced guidance to help slow pronation Guiderail: Provides medial support Footshape: Allows the toes to relax and spread out naturally enhancing stability Drop: 0 mm

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