Hydro Flask 21oz (621mL) Standard Mouth with Flex Straw Cap inc vibrant colour options and a

vibrant colour options and a cutting-edge battery system with our Latest GEN3 Aluminium Battery which encompasses 21700 cells that are 30% larger than our competitors

The use of robust fabrics ensures a long lifetime of your gear even with many ground contacts

UNCOMPROMISED FLEXIBILITY

50 Lumen Output with variable SafePulse beam pattern optimized for maximum visibility day and night

Hydro Flask 21oz (621mL) Standard Mouth with Flex Straw Cap inc vibrant colour options and aHydro Flask 21oz (621mL) Standard Mouth with Flex Straw Cap A cupholder compatible water bottle with leakproof Flex Straw Cap and booteasy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours. 24 hours cold, 12 hours hot TempShield double wall vacuum insulation Dishwasher safe Leakproof when closed Pure taste, no flavour transfer Fits most cupholders Durable stainless steel