Ultraspire - Ultraflask 550ml cooling bandana Designed in collaboration with professional

Designed in collaboration with professional ultrarunner Courtney Dauwalter

83% of participants finished at least a 50K distance

With a smooth

A back pocket can be used to store nutrition or as a pass-thru to secure a top or lightweight layer Stay seen

Ultraspire - Ultraflask 550ml cooling bandana Designed in collaboration with professionalThe Ultraflask 550 Bottle has all the benefits of a softflask but with the conveniences of a hard bottle. The bottle is designed to sit as close to the body as possible to minimize movement when full. The soft body shape helps with rapid access, comfort, and squeeze. The large cap opening easily fits ice cubes and is covered by a high flow push pull valve. Made in the USA.