• High-flow Surge valve provides a sip or a blast of water and self-seals to eliminate spill and splatter on your bumpiest ride
• Spill-proof when open and pushes closed for leakproof transport
• Engineered cool, Tri-layer Insulation takes Polar Bottle’s recognized radiant heat reflective technology to the next level, keeping your bottle way cooler, 2X longer
• Unique grip groove and wall design makes it easier to squeeze
• Bottle shape and size is compatible with most bike cages
• Removable nozzle for easy cleaning & dishwasher safe
• 100% BPA free & food safe
• Mindfully manufactured in Colorado
• Lifetime warranty