Crocs Kids' Beach Line Lace Boat Shoe GS 100% Textile/Synthetic Imported Synthetic sole Fit: This style tends to run small. For an accurate fit we recommend purchasing a 1/2 size larger than you typically purchase. For example, if you normally purchase a size 6 1/2, we recommend purchasing a size 7. Insole: Croslite Outsole: Rubber Features of this item include: Cushioned, Non-Marking Sole