Franklin Sports Fastpitch Softball Glove - Field Master Fastpitch + Softball Mitt - Womens + Girls - White + Grey

At a bare minimum, I'd probably start with a 12" with synthetic leather (less stiff at the expense of durability, they are going to outgrow it anyways) Or look at fast pitch gloves instead of baseball, those are designed for smaller hands to catch the larger ball Baseball gloves I'd stay away from, they are typically not deep enough of a pocket to catch softballs. I'd go with a unisex looking 12" fastpitch glove. That will feel great with a smaller hand, but a glove designed to catch the larger ball Amazon.com : Franklin Sports Fastpitch Softball Glove - Field Master Fastpitch + Softball Mitt - Womens + Girls Righty Glove - Adult + Youth Gloves - Right Hand Throw - 11.5" - White + Grey : Sports & Outdoors