Pay in 4 interest-free payments of $5.75 Learn more
Ships within 48 hours · Estimated delivery Oct 6 - Oct 11
provides a lightweight and comfortable feel with excellent ventilation and fast-drying capabilities
the right electrolyte profile
Bib Elastics: attach your race bib directly to the belt with the two elastic attachments
and calcium
UltrAspire UltraFlask 550 Hybrid Bottle Spikes provides a lightweight and comfortableUltrAspire introduces yet another milestone in hydration history! All the benefits of the sport bottle without the downsides and all the benefits of a soft flask without the usual problems such as taste and staining from carbohydrate drinks. The UltraFlask 550 Hybrid Bottle is a cross between a hard bottle and a soft flask. This bottle has a body shape that conforms to the place its kept for the ultimate comfort, access, carriage and squeeze ability.
