The Denali 40 oz thermal mug is built for serious sipping and all-day temperature control. Crafted from double-wall 18/8 stainless steel with copper vacuum insulation, it keeps drinks hot or cold for hours. The clear push-on lid features a dual-purpose design with a matching sliding closure and a flexible, wide silicone straw for versatile use. Finished with a durable powder coated exterior, Denali is your go-to for staying fueled wherever the day takes you.