Design: Breathable, itch-free, ZQ Merino wool upper Easy to slip off and on Natural materials with a small carbon footprint (2.46 kg CO2e) Additional Details: Machine Washable because kids love dirt and messes can happen Care Instructions: Remove insoles; place shoes in delicates bag (pillowcase works); Gentle cycle with cold water and mild detergent; Shake out excess water and air dry Fits true to size