UltrAspire Isomeric Race 20 oz.

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Retailers' Descriptions

Here's what other sites are saying:

The ultimate minimalist handheld from UltrAspire! When water is the only necessity and every ounce counts, breathable mesh adjustable hand attachment piece with soft-bound perimeter for carrying a bottle, wiping your face, and nothing else. Simple efficiency in an elegant solution. 20 oz InSpirAtion Human bottle included. When you want to go for a new personal best.

- CampSaver.com