For a more work appropriate sandal, check out the Jalaya by Springstep. This dual zipper peep toe sandal comes in a neutral light grey leather and has a small peep toe. These have full foot coverage, and are made with supple leather. They have a cushioned leather footbed, and are flexible so they are easy to wear all day long. 
 
Details: 
 
Heel Height: 1 inch
Platform Height: .5 inch