TITIN Hyper Gravity Weighted Compression Force&trade; Shorts System (Small) The BRAND NEW TITIN Force Shorts System has all of the same wicking and anti-microbial properties as the TITIN Force Shirt System System adds 4.5 pounds Due to dynamic loading, you feel the forces equivalent to a 35 pound weight vest. The weight focuses on your hamstrings, thighs, and glutes, working on posture, explosiveness, and strength. The TITIN Force Shorts Sytem can be used during a workout or after one for post-workout recovery.