4D Fit includes: Dedication, Determination, Desire, Discipline. Your Wellhub membership includes access to our 60-minute conditioning-focused classes which are accessible to all levels. These classes take advantage of a variety of unconventional tools like kettlebells, battle ropes, steel clubs, sand bags, and more. Expect a high-energy atmosphere! The classes are structured with a focus on delivering the perfect blend of fat loss, skill development, and fun.