Reef Men's The Raglan sandals.Reef Men's The Raglan sandals. These sandals are designed with footbeds made from sugarcane. The top pair is gray with a blue strap, the middle pair is black, and the bottom pair is dark gray with a brown strap. The "Reef" brand name and the phrase "Footbed made from sugarcane" are visible on the footbeds of the sandals. Reef is known for incorporating sustainable materials into their footwear, such as recycled materials and plant-based alternatives. The brand was founded by two brothers who moved from Argentina to California in 1984 and began producing sandals popular among surfers and beachgoers.