Oshkosh B'Gosh jackets and bibs are made with high-quality, 100% polyester fleece. They have a water and wind-resistant shell and are designed to withstand the harshest of winter weather. The hood is Sherpa lined and the body is fully fleece lined for extra warmth and comfort. Two side seam pockets provide ample storage space, and the sleeves have elastic cuffs to ensure the proper fit.