The Hydro Flask Skyline Series 21 Oz Standard Mouth 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
Volume: 621 mL
Weight: 11.3 oz