UltraSpire Soft Flask 500ml Size:500ml making it an excellent choice

making it an excellent choice for kids who are developing their speed

Run Time: 150 h on low

Velcro Fastening: Offers a secure fit

they stay secure without squeezing

Nearly every component is crafted with sustainability in mind:

UltraSpire Soft Flask 500ml Size:500ml making it an excellent choiceUltraspire Soft Flask 500ml The ideal hand held solution for running or hiking Oval welded base for easy pocket placement while on the move Soft material conforms to your hand to provide a comfortable carrying experience Flexible design shrinks as you drink, reducing water movement on the run High flow bite valve auto seals after each sip and includes a twist locking cap for added security Large 42mm opening makes it easy to fill with ice or nutrition