Girl Gymnastics Tie-Front or Mock-Tie-Front Shirt Top Sizing Guide:XXS: 2-3 years, XS: 4-5 years, S: 6 years, M: 7 years, L: 8 years 100% Cotton. Machine Wash & Dry Two Styles available: 1) Mock-tie-front or 2) Cute self-tie front for added pizzaz. Also check out SofiLu matching shorts and Leotards Great top for the gymnast in training. Guaranteed She will LOVE this tee!!! Imported. SofiLu is an American Owned and Operated Brand.