Bite Valve II Deore XT Made with Orbit-Proof Technology for

Made with Orbit-Proof Technology for perfect adherence to any face

The uppers are made from what Diadora calls their Morpho A

but strongly desire the comfort of a multifilament

Sizing Recommendation: move up one size from your normal shorts size

Bite Valve II Deore XT Made with Orbit-Proof Technology forDescription: Best bite valve on the market! This bite valve is easy to use with no limitations on bite angle. Self seals after each drink to eliminate annoying drips. Provides a softer interface between user and straw while enabling the rider to better control the flow of fluid. Specifications Materials: Food Safe BPA Free Silicone and Dishwasher Safe Tube ID: 10mm (. 39 inches) Compatibility: Aeria, HSF Aero HC 800+, HSF Aerodrink 880, FC25, FC35,