A synthetic and mesh upper makes the Merrell girls M-Moab Fst Mid A/C walking boots breathable and lightweight to keep your child's feet comfortable. Waterproof construction thanks to M-Select DRY keeps your feet dry in any terrain or weather. The outsole uses M-Select GRIP technology to provide superior traction and stability., Synthetic and mesh upper for breathability and a lightweight feel., M Select DRY bootie waterproof construction to keep feet dry., Alternative closure for easy on/off adjustability., Non-marking outsole with M Select GRIP.