All LMSS shirts are unisex sizing. For this particular collection, sizes 5/6 through 7 are Rabbit Skins Brand. The 5/6 fits similar to a 5T and the 7 fits similar to a youth XS or S. The Youth S-XL are Hanes brand and fit mostly true to size, but when in doubt, size up. SHIPPING DETAILS: - All shirts are shipped via USPS First Class Mail (2-5 business days for US orders) from Idaho - Shipping upgrades available at checkout CONNECT ON SOCIAL MEDIA: Instagram: @LittleMamaShirtShop Facebook: /LittleMamaShirtShop ABOUT LITTLE MAMA SHIRT SHOP: Little Mama Shirt Shop was founded by one little mama raising three boys in Small Town Idaho. All designs are inspired by motherhood and life and are screen printed locally. All shirts are original designs by Little Mama Shirt Shop © All text, images, and phrases cannot be stored, reproduced, or used for personal or commercial purposes. The phrases Raising Boys Loving Life™ and Bringing Up Boys™ are registered trademarks. Please DO NOT copy my work.