The T-shirts are often brought once members of the army have completed their army training. A statement issued by the army says that the T-shirts were made outside of the army boundaries but they have promised to stamp out the offensive images.
The custom designed T-shirts include images of women and children, both of them being aimed at with guns. Another design featured a dead baby.
This news was brought to light after a report item from a journalist working for a newspaper called the Harretz daily saya.
Before now there were no guidelines issued by the Israel army to say what would be suitable clothing for members of the army when they weren't in uniform.
The army were condemned for the high amounts of people killed during the Gaza action back in December. In it's defense, the Israeli army say they were careful not to target ordinary people and blamed the militant groups of Palestine for putting residents in danger.
A sociologist Orna Sasson-Levy from the Bar-Ilan University said:
"There is... increasing callousness," she said. "There is a perception that the Palestinian is not a person, a human being entitled to basic rights and therefore anything may be done to him."
For it's part, the army released a statement saying:
"The examples presented by the Haaretz reporter are not in accordance with IDF values and are simply tasteless,"
"This type of humour is unbecoming and should be condemned