Boys Spyder Snow Jacket (ski, snowboarding) Size 4 The Spyder Little Boy's Jacket includes all the bells and whistles so the youngest skiers can enjoy snow with confidence. This jacket is made from a stretch recycled Repreve™ polyester plain weave and insulated with 133 g of PrimaLoft® Black Eco to keep you little one cozy. Spyder has parents in mind and constructed this jacket with their famous Room To Grow sleeves that can be extended up to 1-1/2 inches. The Challenger features reflective detailing, data card and goggle pocket, removable hood with inner hood gaiter, taped seams, and a powder skirt with snaps and elastic grip for the perfect, whole package. Spyder Little Boy's Challenger Jacket lets the little guys forget the cold and take on any contender.