RefrigiWear Squash Hat | Navy. RefrigiWear Itâs a classic look with modern materials that make this the perfect all-season cap. The Squash Hat is made from ultra-light nylon and a breathable mesh interior for comfort in any temps. Modern meets classic with the iconic RefrigiWear âReggie Dogâ logo featured on the cap. Ultra-light nylon outershell Breathable mesh interior for ultimate breathability RefrigiWear Squash Hat | Navy... - RefrigiWear Squash Hat | Navy. |