HydraPak SkyFlask 500ML Handheld Running Flask Youth Bikes Secure Fit: The molded heel

Secure Fit: The molded heel collar provides added support for a snug

Flexible hourglass design wraps around and compresses muscles while rolling to relieve soreness and speed muscle recovery post workout

InMold polycarbonate shell construction with EPS liner

So every time you wear these no slip

HydraPak SkyFlask 500ML Handheld Running Flask Youth Bikes Secure Fit: The molded heelDesigned for the minimalist runner, the SkyFlask Speed features an adjustable hand strap and innovative, padded thumb loop to hold the flask securely in either hand without gripping or squeezing. Topped with our SpeedFill cap for quick refills on the go.