Mack High Sierra Thermos

Stay hydrated on your daily commute with the Mack High Sierra Thermos. Designed for durability, this rugged thermos features double wall 18/8 stainless steel construction and copper-plated inner wall for ultimate conductivity. The lid doubles as a drinking cup, and the thermos comes with two handles - one for use in-hand and the other for over-the-shoulder use. With the High Sierra brand, this thermos is the perfect accessory for any Mack fan.