Grom won't trip. Grom won't slip. The Little Rover sandal has a water-friendly synthetic nubuck upper, a padded soft jersey liner, and a super soft Swellular cushion footbed for Instant Comfort. Most importantly, these boys sandals have a Reef rubber outsole with Design Detailing for traction. Less falls and skinned knees equal more fun for you and for them. Featuring Swellular Technology: built around three layers of innovative material: a super-soft, contoured foam deck for instant comfort, a medium-density midsole for long-lasting support, and a high-density rubber outsole for traction, protection and durability. Be ready for any water adventure. From the beach to the lake or just hanging out by the pool, this style can handle the splashes.