Same great features as the popular 24 oz. Big Mouth bottle, but in a smaller more versatile 21 oz. size. Wide mouth for fitting ice cubes and easy cleaning, soft rubber valve, easy to handle soft food-grade plastic that won't absorb odors.

Wide mouth screw top is big enough for ice cubes, seals tight
Large, soft poppet (valve) is easy on your teeth, delivers excellent flow and seals tight
Easy-to-handle, non-slip shape
Smaller 21 oz capacity fits on full suspension frames, in a jersey pocket or a fanny pack
Food grade plastic won't soak up flavors or odors