Current shaker bottles are limited to holding only one drink at a time. If you take a shake before and after your workout you are forced to take two shaker cups to the gym. Or you might have to wait too long after exercising to take a protein shake, which can prolong the recovery process of your muscles. Either way, unnecessary time is spent cleaning and refilling extra shaker bottles that build up in your car, gym bag, and dishwasher.

Added in Sportwear