Insulated Water Bottle For Your Hottest Workouts Lightweight, versatile and built to last, this stainless steel water bottle is your perfect pedaling companion. Copper vacuum insulation keeps your water cold for longer, while the sturdy double-wall steel construction handles anything your workout throws at it. Features 17 oz (500 ml) capacity Double-wall 18/8 stainless steel with copper vacuum insulation keeps liquids hot or cold throughout the day Insulated screw-on stainless steel cap Sleek black finish with laser-etched Shimano logo Durable stainless steel base Easy to clean