15 DAY FIT TEST, IF IT DOES NOT FIT WE WILL EXCHANGE FOR A SIZE THAT DOES! The Combat II Concealed Soft Armor Panels are an NIJ Certified solution that is both thin and light weight while still having additional special threat testing. FEATURES NIJ 0101.06 Level II Certified (SLSII) C1 - C5 Certification Sizes Made with Woven Twaron Weight: 0.85 psf Thinness: 0.19 in SPECIAL THREAT TESTING V50 –9mm 127gr SXT 1575 fps (480m/s) P-BFS Avg. –9mm 127gr SXT 35mm V50 –357sig 125gr GDHP 1660 fps (506m/s) P-BFS Avg. –357sig 125gr GDHP 31mm V50 –5.7x28mm 40gr V-Max Blue Tip 2076 fps (633m/s) P-BFS Avg. –5.7x28mm 40gr V-Max Blue Tip 21mm