These are Levi's  sandals, a sporty, strappy design offered for both men and kids. They are available in a navy blue color with a black footbed and feature a triple Velcro strap closure for an adjustable fit. 
Key Features
Brand: Levi's
Color: Navy Blue with white contrast stitching
Closure: Adjustable triple Velcro straps
Material: Synthetic upper and a rubber/EVA blend sole for comfort and durability.