synthetic
Rubber sole
Rubber toe cap adds durability and protection
adiPRENE+ inserts in the forefoot for pinpoint comfort
Old meets new for great style and big comfort. The classic shell toe on a vulcanized-inspired outsole provides superior cushioning and style for any off-court action.
Kick a timeless look in the adidas® Superstar men's shoe. It's crafted using synthetic leather; the rubber toe shell enhances the classic style, and an EVA insole adds a soft touch. The non-marking rubber outsole offers great traction.
Source:
http://ecx.images-amazon.com
Image link