The Altra Women's Provision 5 Running Shoes have proven themselves, and with this updated version comes plenty of updated features. Simplified mesh construction and an improved heel provide a better locked-in feel. The refined InnovArch™ feature offers a more tailored fit and encourages a more natural step cycle. The GuideRail™ brings additional medial support that's only there when needed. The Altra Women's Provision 5 Running Shoes are comfortable, supportive, and ready for your long runs.