The Altura Sprint Energy Pack. Engineered to be lightweight without compromising on features, including the slimline side pocket perfect for keys / card / money, whilst the main easy access zip pocket is large enough to hold around 6 energy gels. Reflective details give improved visibility on low light conditions. Altura Sprint Energy Pack Features Slim, lightweight design Zip closure Fits up to 6 gels/energy bars Hook & loop wrap mounting system Adjustable stem strap External side zip pocket for keys Internal sleeve for technology Reinforced sides for stability Reflective detail