Newton Gravity 11 (Men) Size:12 creates a powerful cooling sensation

creates a powerful cooling sensation that stops pain fast

and avoid breaking the heel of your shoe from cramming your foot into it

Battery life: 1 year (assuming one hr/day of use)

and durable EVA Foam massage ball is an ideal travel companion on the road

Additionally

Newton Gravity 11 (Men) Size:12 creates a powerful cooling sensationStride Sustainably Made from durable recycled & biodegradable materials with a new gender tuned fit and enhanced cushioning our next generation raises the bar, again. Reach for new standards in performance and comfort, and do it sustainably. * Weight: 8. 6oz * Drop: 3. 0mm * Support: Neutral