Parts & Accessories

The Fixy cap is the easiest cap to use, period. No push or pull of the mouthpiece required to open and close. Integrated heart valve provides great flow, and a leak-free seal when not in use. - Self-sealing Heart Valve delivers a high rate of flow with a 100% leak-proof design - No push or pull required to open and close the Heart Valve - BPA-free plastic made from 100% FDA food-grade materials.

Specialized's WaterGate self-sealing Heart Valve delivers a high rate of flow with a leak-proof design, even when the valve is open, providing a simple drinking experience. - Simple hands-free open and close valve: nothing to turn - 100% leak-proof top locks down for transport or mixing powdered drinks - Rubber over-molded cap for easy grip

Specialized's MoFlo Cap delivers 50% more water than other traditional caps. MoFlo valve is easy to open, effortless to use, and 100% leak-proof when closed. - New MoFlo cap design features a wide water channel - Double O-ring on valve offers 100% leak-free performance - Valve is soft to the touch and, effortless to open and close