Hydro Flask 21 OZ STANDARD FLEX CAP

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. No wonder it's one of our bestselling water bottles.

Product Benefits

• 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

• Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort.
• Structured yet breathable upper
•  238 grams (8.4 oz)

Synthetic materials

We are happy to accept exchanges & returns with the receipt or proof of purchase. Please note that unworn merchandise (excluding bras & underwear) with all original packaging and tags can be returned within 30 days. We will assess products for manufacturer’s defects within 90 days of purchase. Anything beyond 90 days will not be accepted.

We are unfortunately unable to provide free return shipping labels for online purchases.