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MOUNTAIN WATER BOTTLE: The original, 100% BPA-free water bottle - our water bottle features a sleek, single-wall design that is light, durable, compact, and fits most bike cages
HIGH-FLOW CAP WITH DIRT COVER: Our Muck guard (dirt cover) protects the high-flow, self-sealing mouthpiece of your water bottle from whatever the trail dishes up
EASY TO CLEAN: All our water bottles and squeeze water bottles come apart and are dishwasher safe
DESIGNED FOR MOUNTAIN BIKE CAGES: The go-to bike bottle for mountain and gravel cyclists - crafted in a unique 15oz size to fit any bike frame including full suspension bikes
MADE IN THE USA: We are proud to produce all Polar Bottle products in Colorado and source all our parts in the USA

From the manufacturer

High-level Use	Cycling & Sports	All Sports & Activities	Cycling & Sports	Mountain Biking, Gravel, All Weather	Single Track, Muddy Rides	All Sports & Activities
Sizes	20 oz, 24 oz	20 oz, 24 oz	20 oz, 24 oz, 30 oz	12 oz, 20 oz, 24 oz	15 oz	12 oz
Insulated	✓	✓	✓	✓
Bike Cage Compatible	✓	✓	✓	✓	✓	✓
Handle	✓	✓