Polar Bottles Surge Ascent

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