Double-Wall Insulation: Keeps water cold twice as long—perfect for hot rides and endurance training Optimized Cage Fit: Securely fits most bike bottle cages for a stable ride on any terrain Effortless Hydration: Easy-squeeze design delivers more water with less effort during intense activity High-Flow, Self-Sealing Cap: Maximizes flow rate while preventing leaks, splashes, and spills Pure Taste Technology: Made with BPA-free Trutaste Polypropylene for clean, refreshing hydration