He'll flip over these flops--they're comfy and cool, with the right amount of support. From Vionic®.
Style: Men's Tide
EVA midsole absorbs shock, helping reduce stress on feet, ankles, and knees
Durable rubber outsole with textured tread offers good traction on a variety of surfaces
Podiatrist-designed, biomechanical orthotic footbed with Orthaheel® technology and a deep heel cup helps stabilize, support, and realign feet back to their natural position while wearing
Helps to relieve common causes of heel pain and knee pain, related to over-pronation and flat feet
An ideal complementary option for orthotic or arch support wearers
Fit: true to size; recommended 20 to 30 minutes of break-in time for the first few days of wear