ULTRASPIRE ULTRA 550 HYDRATION HANDHELD Stay hydrated everywhere you go with the Ultra 550 handheld from Ultraspire. An ergonomically shaped bottle and adjustable hand strap deliver a comfortable a no-grip hold while the external stash pocket can hold cards, gels, or other small nutrition items for your trek. This handheld features an ultra-comfortable and stress relieving hand carriage, for a soft feel and natural conformation to the hand.