Hydrapak Skyflask IT Speed Insulated Handheld Bottle - Clear (500ml)Features: ADJUSTABLE STRAP Sweatproof strap can be adjusted to fit a wide variety of hand sizes, the Velcro style strip ensures strap stays in place while on the run. HOLD WITH EITHER HAND Versatile and ambidextrous, the flask can be carried in either the left or right hand, with or without the thumb loop. COMPRESSIBLE Flexible design shrinks as you drink, reducing water movement and easily stores away in your pocket when empty. SPEEDFILL CAP Designed