Grab squeeze hydrate. Cool. Made for athletes - great for the gym practice field game day - the Polar Sport delivers quick hydration and keeps its contents cool. Optimized for effortless use the slim ergonomic design fits securely in your hand. The ultrathin exterior sheds grams and makes for an easy squeeze the Sport Cap delivers great flow then pushes closed for a tight seal and the integrated Dash Handle makes grab-and-go a breeze.Sport cap a simple design for quick hydration - pull up fora cool stream and push down for a spill-free sealEngineered cool tri-layer Insulation combines an external reflective heat shield with a layers of insulating foam to keep liquids coolGrab and go features an integrated Dash Handle so you can clip it to your pack or carry it in your handFlexible ultra-light materials and the unique grip groove combine for a sure hold and high-flow squeezeEasy to clean the cap's two pieces - lid and valve - easily separate for top-rack dishwasher cleaning