The Ultimate Flask is for those with a love for the outdoors. Our 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. Our weather proof Ultimate Pouch, made from Neoprene fabric with a handy carabiner clip, is the perfect accompaniment to #yourthermos for your outdoor adventures. Created with the Thermos® quality and performance you can rely on and with a 5 year guarantee, this flask is ready for any adventure.
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