Thermos Ultimate Series Flask

Outdoor enthusiasts can depend on the Thermos Ultimate MKII Series Flasks which combine a sleek, lightweight design with maximum heat performance technology. Featuring two part stoppers and a protective, shock-absorbing silicone ring to soften the impact if dropped, these ultra-durable flasks are the outdoor companions.

• Thermos vacuum insulation technology for maximum temperature retention, keeps hot for 24 hours and cold for 24 hours
• Stainless steel interior and exterior featuring protective silicone rings for high durability
• Cool to the touch with hot liquids, sweat-proof with cold
• Two part stopper to smooth the flow of liquids