Merrell Kids - Hydro 2 (Toddler/Little Kid/Big Kid). Color Olive Green. Low Stock. On sale for $49.50. MSRP $55.00.. 4.0 out of 5 stars3 left in stockBrand NameMerrell KidsProduct NameHydro 2 (Toddler/Little Kid/Big Kid)ColorOlive GreenPrice$49.50MSRP: $55.00