shrINK underground brought to you by Capital One is a 10-week bootcamp series taught by Boston's buffest & toughest fitness gurus - Lauren Hefez, Meghan Fitzgerald and Chad Flahive. The class will be held in the newly transformed Underground at Ink Block park in the outdoor #BeMoreHuman studio. Participants should come ready to sweat, laugh and bring their own mat. shrINK is brought to you by Capital One and sponsored in part by Reebok. Classes are free and open to all levels.