Mightly x Rebel Girls long-sleeved crew neck t-shirts are designed with a slim fit. If you want a looser fit or room to grow, it is recommended that you choose one to two sizes larger than your child s usual size. Our shirts are ready to coordinate with your favorite Rebel Girls book series. Our t-shirts come in affordable 2-packs that make it easy to shop when you need school clothes for kids. Mightly children s clothes are certified to the Global Organic Textile Standard (GOTS) and made with non-toxic dyes and inks. Our dye process results in long-lasting color that won't irritate sensitive skin. Mightly s GOTS Id# is Ot-034929. Mightly clothing is made in Fair Trade Certified factories. These factories must adhere to rigorous social, environmental and economic standards to protect the health and safety of workers. This means safe working conditions, no child or forced labor, elimination of harmful chemicals, guaranteed maternity leave. Mightly s Fair Trade Id# is 1716500.