Hydro Flask 21 oz Skyline Series Standard Mouth - Black
Sometimes a little more ice cold water is a little better. Our 21 oz Bottle is the perfect size to keep by your side and sip on all dayreplenishing fluids as you bike to work, hit the gym at lunch, or hang with friends after a long day at the office. Fill it with your favorite, and it stays cold up to 24 hours or hot for 12.
-Versatile, middle-of-the-road size
-TempShield insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
-Durable 18/8 Pro-Grade Stainless Steel construction
-BPA-Free and Phthalate-Free
-Compatible with Standard Mouth Insulated Sport Cap