Stay on the mountain all day long with the Mini Boy's Spyder Ambush Jacket. Your little one will never want to leave the mountain thanks to the immense comfort and protection offered by the Ambush, which has 140g of 3M Thinsulate Insulation and a 10k/10k waterproof and breathable shell. The insulation efficiently traps and retains body heat inside the jacket, and the breathability properties allows sweat to escape to prevent it from chilling your skin. With Spyder's "Small to Tall" sleeve adjustment system this jacket will grow with him for seasons to come. The 10k waterproof rating and critically-taped seams ensure no wintry moisture can seep in, perfect for long days on the mountain or backyard snowman-building snow days.