CCILU SHOES Slip On Summer Shoes Mens Size 8 Red & Black Water Outdoor Sandals - EUC

From the manufacturer:

About the item

Ccilucell

The Ccilu summer slip on is extremely lightweight, comfortable and aerodynamic

Breathable design with cut outs, washable removable sock liner

Patented CCILUCELL construction absorbs shock from body movement

Effective antimildew, antibacterial, and antimicrobial formula for feet that stay comfortable, dry and healthy

Ccilu styles fit larger than true to size for comfort.

Please see pics for more detail and measurements.