Keep every sip cooler longer with the HydraPak SkyFlask Speed IT 500 ml. This insulated handheld uses IsoBound technology to maintain liquid temperature up to 38% longer than standard bottles, making it clutch on hot training days. The ergonomic shape fits naturally in your hand, while the adjustable strap gives you a secure, grip-free carry. Perfect for runners who want cold hydration without the extra weight.