The HydraPak SkyFlask Speed is designed for runners and long-distance walkers, and is a minimalist soft-flask handheld featuring an innovative thumb loop that allows you to hold the flask securely without wasting energy gripping or squeezing.Versatile and ambidextrous, it can be held in either hand, while the soft neoprene loop provides a comfortable and chafe-free fit.The adjustable, sweatproof strap fits most hand sizes and stays snugly in place, and the flask is topped with the SpeedFill™ cap for quick refills on the go. Covered by HydraPak’s Beyond Lifetime Guarantee