Contigo AUTOSEAL Kangaroo Water Bottle with Storage Compartment, 24-Ounce

Amazon.com $12.99

Okay, this is another idea I can get behind.  I trust no one in the gym. I see you gym-goers on your cardio machine looking at my pace and time. Stop it!  Unless I'm going over 7 mph, you're not allowed to look at my machine.  Sneaky mofos at the gym.  Perfect water bottle to keep your stuff close :)