Double-walled mugs are often made from durable materials such as borosilicate glass, stainless steel, or high-quality ceramics. This sturdy construction makes them less prone to breakage compared to traditional single-walled mugs. If you lead an active lifestyle or enjoy outdoor activities, having a reliable and durable mug is essential. A large double-walled mug can withstand the rigors of hiking, camping, or simply a busy day at work.