Kapap (Hebrew: קפא"פ, קפ"פ‎), short for Krav Panim el Panim, translated as "face to face combat", is a combat system of defensive tactics, hand-to-hand combat and self defense, which was further developed into its modern version of Kapap Combat Concepts.
The Kapap system was developed in the late 1930s, within the Jewish Aliyah camps (ma-ḥa-not Olim) as part of preparatory training before their arrival in Palestine.[citation needed] It became a concept of fighting rather than a fighting system, due to the fighting skills contribution it gave the practitioner. The Palmach adopted the Kapap as an ongoing combat development program for their recruits.

It was primarily considered a practical skill set that was acquired during the training period of the Palmach fighter. The main focus was to upgrade the Physical endurance, elevate and strengthen the spirit, developing a defensive and offensive skill set when needed. It included physical training and endurance, cold weapon practical usage, Boxing and jujutsu, and knife and stick fighting.

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Sizes run smaller than US or Canadian sizes

S=US S,M=US M,L=US M/L,XL=US L,XXL=US XL,3XL=US XL/2XL

Sizes	armpit to armpit (")	collar to bottom (")
S	17	21
M	20	22.5
L	21	25
XL	23	25
XXL	24	26