The New Balance M520 Running shoes are designed to bring all-day comfort. They include Fresh Foam technology, an innovative one-piece midsole made with foam that provides a soft and natural step. The flexible grooves provide extra flexibility.

Features:
- Upper mesh improves breathability and comfort
- NB Response 1. 0 performance insert helps absorb shock and increase comfort and responsiveness
- Neutral shoe
- Fresh Foam
- NB Response 1. 0 Insert Mesh Top
- Flex Grooves