Incorporates a nylon mesh upper that adapts to foot expansion under load, 5k training shoes.

The OOriginal sandal features revolutionary OOfoam technology that absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints. This technology aids in the recovery process and creates an incredibly comfortable sandal you can wear anywhere.

The OOriginal soothes and reinvigorates your feet after a workout, so you can do it again tomorrow. With OOfoam technology, the patented footbed design absorbs impact, cradles your arches and allows you to move naturally. Your feet will know the difference.

• Reduces stress on sore feet, knees, and back
• Enables more natural motion
• Minimalist construction for light weight
• Machine washable, plus moisture and bacteria resistant

The contoured footbed cradles the arch to maintain proper alignment and reduce strain on joints, best shoes for marathon training.