The invention relates to a prosthetic porous knit based on amonofilament of a biocompatible polymer material, the pattern followed for theknitting of said monofilament on a warp knitting machine having two guide barsB1,B2 being the following, according to the ISO 11676 standard:- Bar B1 : 1.2/4.5/4.3/4.5/4.3/1.0/1.2/1.0//- Bar B2 : 4.3/1.0/1.2/1.0/1.2/4.5/4.3/4.5//The invention further relates to a method for producing such a knit and to ahernia prosthesis comprising such a knit.