Perfect for on the court, the Standard Mouth Sport Cap features a unique ergonomic design offering superior flow rates for the thirsty athlete. The soft silicone spout fits on the Standard Mouth Hydro Flask Bottles.

• Insulated for enhanced temperature protection
• Quiet, no-whistle valve
• Increased flow rate
• Soft silicone spout
• BPA-Free and Phthalates-Free
• Lifetime Warranty