Blowfish granola summer sandal granola is your go to style for your warm weather vacations and adventures with a pu upper this sandal is durable and easy to maintain combined with a rubber sole for added flexibility fasteningstrap fastening material compositionother materialsother materialsother materials pu upper for a durable and low maintenance sandal the rubber sole makes this sandal very flexible your go to style sandal for your warm weather vacations and adventures