The asymmetric lacing system eliminates pressure on the sensitive top ridge of the foot, boston running shoes.

* All Day...Training...Road running

Comfort and breathability. A street-style inspired design for your urban adventures. For this model, the bottom unit has been totally re-designed for better cushioning on hard concrete surfaces.

• 3MD10560045
• Upper: Engineered, zonal knit upper made from 100% recycled polyester. With an adaptive zonal knit and an inclusive instep, the new upper offers a comfortable fit for a wide array of different foot shapes
• Midsole: Entirely new dual density CloudTec construct with Helion superfoam
• for levelled up cushioning and a smoother ride.
• Speedboard: TPU injected for a dynamic ride and a high energy return. Integrated into the midsole instead of sitting on top for a softer underfoot feel
• A sock-like fit constructed with an engineered knit material turns the city into your personal racetrack
• Re-engineered bottom unit for even better cushioning and a smooth forward-rolling sensation thanks to a new dual-density CloudTec midsole from Helion superfoam
• An engineered, zonal knit including 3D heel padding will keep
• your foot in place

The mesh material is engineered for high breathability, promoting air circulation to keep feet cool, training vs running shoes.