21 oz (621 ml) Standard Mouth with Flex Straw Cap - Black - Hydro Flask Cross & Passion College Hydro Flask's 12 oz (355

Hydro Flask's 12 oz (355 ml) Wide Mouth bottle with Flex Sip Lid™ is cupholder compatible and leakproof

dry and comfortable even during the hardest of pushes

Improved comfort with a softer feel and superior shape retention

2 Elastane bound hand pockets

Size Chart

21 oz (621 ml) Standard Mouth with Flex Straw Cap - Black - Hydro Flask Cross & Passion College Hydro Flask's 12 oz (355Flip it and sip it. Insulated bottle with a stainless steel cap. Flip it and sip it with the Hydro Flask 21 oz (621 ml) Standard Mouth Bottle With Flex Straw Cap. With a comfortable, flexible handle, the closeable, leakproof straw cap is easy to open and close with one hand, for on demand hydration. Double wall insulation keeps drinks cold up to 24 hours for cool refreshment. The slim design fits most cupholders and is dishwasher safe. Up to 24 hours