Reinforced and very durable winter overall in a smooth wind and waterproof material with excellent breathability it has a water repellent finish fully taped seams pre bent sleeves and legs for increased mobility and flexible padding with very good insulating properties that keeps the child warm the lining closest to the skin is soft fleece that wont pill legs and arms have shaped seams to reduce wear and tear and pre bent fit for increased mobility adjusting the waist keeps the crotch