Polar Bottle Hydrapak Surge Ascent Water Bottle

Ease of squeeze, lasting insulation, and featuring the 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.

Features:

• Insulated high-flow hydration
• Surge valve delivers a solid stream, then self-seals to eliminate drips and spills
• Engineered Cool: Tri-layer insulation combines an external reflective heat shield with two layers of insulating foam to keep liquids cool
• Easy to squeeze thanks to its flexible, ultra-light materials and the unique grip groove
• Easy To Clean: The cap's two pieces, the lid and the valve easily separate for top-rack dishwasher cleaning