Hydro Flask Tandem Cooler Cup Color:Black so they don't slide down

so they don't slide down when you break a sweat

Soft and highly absorbent fabric along thumbs gives you a gentle place to wipe your nose and brow

low-profile foam

Zero Cushion

999% of parasites (including Giardia and Cryptosporidium)

Hydro Flask Tandem Cooler Cup Color:Black so they don't slide downOne for Now. One for Later. A double shot of can cooling magic in a two story design. Crack open and sip the one on top, while a second can stays cold and on hold inside. Then just swap them when youre ready, or share one with a friend. Holds 2 Cans Fits two standard 12 oz cans Flex Collar Flexible collar works with a wide range of cans and bottles to lock in the cold; works as a boot when used as a beverage cup. TempShield Our unique double wall