Hydrapak Polar Surge Ascent 600ml

– 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 a 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.
– BUILT FOR BIKES: Made with bicyclists in mind, the Polar Surge bottle fits a variety of Bike frame sizes and bottle cages.
– EASY TO CLEAN: Innovative Surge Cap is two pieces – cap and valve – and easy to clean. Simply twist, pull and wash. Dishwasher safe.