Please order 1 size smaller than your normal t-shirt. Hudi's Tactical Level 3A concealable t-shirt is made from UHMWPE fiber and designed to stop up to 44 Mag. It's flexible and conforms well to the wearers body and weighting only about 3lbs making this very comfortable to wear. We tested the vest with 6 rounds of 9mm out of 16" carbine with zero penetrations. The bullets were stopped at the 7 or 8th out of 30 sheets sheet of the fabric. We also tested with 00 buckshots which didn't penetrate beyond 3rd sheet Please note, these will only stop handgun rounds, for rifle protection please get the Level 3+ plate here: https://www.ebay.com/itm/274922270659 The insert is removable and can be easily washed while the ballistic panels is in a pouch that can be wiped down. The insert varies with the size and ranges from 10x12 to 11x14. The back panel has a larger size to protect the neck. Please note, these will only stop handgun rounds, for rifle protection please get the Level 3+ plate. Features: Level IIIA ballistic rating Thickness: 0.5" Weight: ~3 lbs Material: UHMWPE. This model complies with NIJ Standard-0101.06 for Ballistic Resistance of Body Armor Due to the nature of the product, there are no returns. By purchasing body armor, the Buyer is certifying that he/she has not been convicted of any crime that would restrict him/her from being able to purchase or possess body armor under any Federal or State laws. Furthermore, the Buyer is acknowledging that he/she does not intend to use the body armor for any criminal purpose and that he/she is over the age of 18 years old. Additionally, the Buyer acknowledges that misuse will cause bodily harm and potentially death, and the Buyer will not hold the Seller accountable or liable for any damages and injuries. The Buyer agrees that the Seller is not liable for any injury, including serious injury or death that may occur during the use of body armor. The Buyer, releases, discharges, indemnifies, and holds harmless the Seller for any liability from the purchase, possession, or use of the body armor. The Buyer specifically disclaims any right to any damages from the Seller, including compensatory damages, incidental damages, consequential damages, punitive damages, costs, and attorney’s fees.