Merrell Kids - Hydro 2 (Toddler/Little Kid/Big Kid). Color Olive Green. Low Stock. On sale for $43.45. MSRP $55.00.. 4.0 out of 5 stars2 left in stockBrand NameMerrell KidsProduct NameHydro 2 (Toddler/Little Kid/Big Kid)ColorOlive GreenPrice$43.45MSRP: $55.00