Easy On, easy off! Just like the adult classic, the kids' version offers amazing comfort and support, thanks to the light, durable Croslite material and design. Kids can customize their Crocs clog however they like; ventilation holes accommodate Jibbitz brand charms. Ethylene vinyl acetate upper and insole. Unlined. Find Your Size: We recommend sizing up (e.g. if you are a 7.5, size up to an 8). Slip-on style in a round toe silhouette. Pivoting heel strap offers a more secure fit. Ethylene vinyl acetate outsole.