32oz (946mL) Wide Flex Straw Travel Bottle core Medium boot is not compatible

Medium boot is not compatible with 32 oz or 40 oz Lightweight Wide Mouth Trail Series bottles

Sized for the perfect cup with a closeable

Fits 32-40 oz Travel Tumblers and Travel Bottles

Just the right size for your must-have beverage

Fits 32 oz & 40 oz Wide Mouth Bottles

32oz (946mL) Wide Flex Straw Travel Bottle core Medium boot is not compatibleReady for the road. Your favourite Hydro Flask bottle with a cupholder friendly design. Drinks stay cold for 24 hours, and the Flex Straw Cap makes it easy to sip while keeping your eyes on the road and your hands on the wheel. Designed for seamless cupholder cohabitation, it's right at home on the open road. 24 hours cold TempShield double wall vacuum insulation Leakproof when closed Fits most cupholders Pure taste, no flavour transfer Wide Mouth