Hydrapak Polar Breakaway Muck Water Bottle - 15oz Gray 2-Pack

Ease of squeeze lasting insulation and featuring our 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.Surge valve technology maximizes flow rate and self-seals to eliminate leaks and splatter during activityTri-layer Insulation combines an external reflective heat shield with a layers of insulating foam to keep liquids coolFlexible ultra-light materials and the unique grip groove combine for a sure hold and high-flow squeezeMade with bicyclists in mind the Polar Surge bottle fits a variety of Bike frame sizes and bottle cagesInnovative Surge Cap is two pieces - cap and valve - and easy to clean. Simply twist pull and wash. Dishwasher safe