Thermos Ultimate MKII Series Flask, Silicone, Charcoal, 900ml

Thermos Ultimate MKII Series Flask, Silicone, Charcoal, 900ml

The Ultimate Flask is for those with a love for the outdoors. This 900ml flask is perfect for people that spend weekends embracing nature, regardless of the weather. With maximum heat performance, this ultra-durable flask is the ultimate outdoor companion. Created with the Thermos® quality and performance you can rely on, this flask is ready for any adventure.

What Matters to Us

For over 115 years, Thermos has been the trusted brand for quality insulated vacuumware products, keeping your drinks hotter for longer. Environmentally conscious, high-tech drinkware has never been more in demand than it is today and Thermos have something for everyone.

Technology Matters: THERMOS vacuum insulation technology keeps hot things hot and cold things cold

THERMOS vacuum insulation creates an airless space between two walls, virtually eliminating the convection process and temperature change.

Your drink will stay icy cold or steamy hot no matter what the forecast.

Quality Matters

THERMOS carefully chooses high quality materials and makes products with consistent quality and reliable performance. This ensures the highest quality of the products by testing for quality throughout the entire manufacturing process.