Our newly arrived Sibling hats are here. You can even add custom embroidery to the back for a look that is sure to set you apart from the crowd.  Features:  * 100% cotton  * Adjustable back closure * Letter patches are sewn on Make It Yours We are now offering the option of customized embroidery on your Letter Hat. Add up to 10 characters of text on the back of the hat, centered above the ponytail holder.