Hydro Flask

Your perfect travel companion.

Keep life moving with our 21 oz bottle and Standard Flex Cap. It stashes easily into a small shoulder bag, your pack’s side pocket, or your car cup holder, and holds enough ice cold goodness to keep you going for hours without weighing you down.

• 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
• Lifetime Warranty

Made for the Outdoors! Sip your way through any adventures. Big enough for a whole day on the river or trails, this Black 21 oz. Hydro Flask is made with professional-grade stainless steel and a standard opening for a regular fill. Designed with double wall vacuum insulation to keep cold beverages cool up to 24 Hours, and hot beverages warmed up to 12 hrs.

• Standard Mouth with Flex Cap
• Durable 18/8 Pro-Grade Stainless Steel construction
• BPA-Free

Made for the Outdoors! Sip your way through any adventures. Big enough for a whole day on the river or trails, this Cobalt 21 oz. Hydro Flask is made with professional-grade stainless steel and a standard opening for a regular fill. Designed with double wall vacuum insulation to keep cold beverages cool up to 24 Hours, and hot beverages warmed up to 12 hrs.

• Standard Mouth
• Durable 18/8 Pro-Grade Stainless Steel construction
• BPA-Free

FITS ALL STANDARD MOUTH HYDRO FLASK! Replace the Flex Cap on your standard mouth Hydro Flask with this awesome Hydro Flask- Sport Cap. It's quiet and has a great flow rate for easy hydration on the go. NOT INTENDED FOR HOT LIQUIDS.