This bottle is highly developed for high energy activities such as cycling, running, kayaking and climbing. It helps keep your liquids cool and also featrures a no drip, re-sealable JetValve™, giving a fast flow of fluids with just a squeeze of the bottle. Double-wall construction with ChillJacket™; thermal insulation. Podium® Bottle cap includes the revolutionary self-sealing JetValve™ – flows easily yet seals shut automatically. Made of taste-free, BPA-free TruTaste™ polypropylene. Best-in-class soft, squeezable bottle. Bottle lined with exclusive Hydroguard™ antimicrobial treatment. Large 620ml (21 oz) volume. Secure lockout on cap for transport or mixing powdered beverages.