Seconding the contingo! I have this contingo thermos and it's amazing! I've had it over 2 years now and it hasn't ever leaked, the auto seal is great, it holds a good amount of drink and doesn't condense or appear wet!

https://www.amazon.com/gp/aw/d/B00HZI5WXU/ref=mp_s_a_1_1?ie=UTF8&qid=1481450829&sr=8-1&pi=SY200_QL40&keywords=contigo+travel+mug