"Peshawari Chappal" is a traditional footwear of Pakistan worn especially by 'Pashtuns' in the Khyber Pakhtunkhwa region. The shoe takes its name from the city of Peshawar. 
"It is a semi-closed footwear which consists of two wide strips where both strips are joined with the sole by crossing each other. The back side has also a strip with a buckle to tie according to the foot size and level of comfort" - This detail has been taken from Wikipedia which also tells that these types of shoes are called Peshawari chappals (slippers) and which have been made and sold in Pakistan for more then two hundrer years. These sandals are part of the Pashtun culture and calling it a 'Robert' sandals is basically stealing the cultural icon.