1948 Mid Winter GTX® High Tops: The PUMA 1948 Mid Winter GTX® is a Basketball-inspired leather boot perfect for the colder months of the year. With the traction-enforcing outsole, ultra-warm insulation and GORE-TEX® membrane, this boot is made for those of you looking for a functional and durable silhouette that will keep your feet warm and dry. Leather upper. Waterproof and highly breathable GORE-TEX®. Ultra-warm lining to keep your feet warm. Rubber outsole.