Stay warm in the Columbia Sportswear Boys' Rugged Ridge II Sherpa Lined Jacket. Its shell is made of 100% polyester. The 100g Microtemp XF II insulation is made of 85% recycled polyester and 15% polyester, and its fabric is water resistant. The interior is lined with Sherpa. Columbia Sportswear Boys' Rugged Ridge II Sherpa Lined Jacket Delta, Medium - Boy's Ski Outerwear And Fleece at Academy Sports