Keep your travels smooth and your style cool with the all-new Sierra Collection. This classic Corkcicle silhouette is now available in hues inspired by nature, designed for adventure, and made to last. 20 oz of your drink of choice will stay refreshingly chilled for up to 25 hours or soothingly hot for 12 hours thanks to its durable, triple insulated stainless steel. Plus, you can enjoy every sip with its mess-free, quick sip cap, whether it be an energizing smoothie, comforting tea, or hydrating water. Say goodbye to lukewarm drinks and hello to the perfect sip every time.