Ease of squeeze, lasting insulation, and featuring HydraPak's high-flow Surge cap. This lean, clean bottle is a go-to for cycling or anyone who loves to move fast. The Surge cap's design delivers a steady stream then automatically seals for drip-free transport, and our Tri-Layer insulation holds the chill for hours. Its slim, ergonomic design is comfortable in your hand, and slides right into your bike's cage. Max flow surge valve technology maximizes flow rate and self-seals to eliminate leaks and splatter during activity Engineered cool tri-layer Insulation combines an external reflective heat shield with two layers of insulating foam to keep liquids cool Easy squeeze flexible, ultra-light materials and the unique grip groove combine for a sure hold and high-flow squeeze Made with bicyclists in mind, the Breakaway bottle fits a variety of Bike frame sizes and bottle cages Innovative Surge Cap is two pieces - cap and valve - and easy to clean. Simply twist, pull and wash. Dishwasher safe Specifications Bottle TypeBikeMaterialPlasticColorYellowVolume24InsulatedYesDefined ColorYellow