Regular jeans will blow out in about 2 seconds. I wear draggin jeans and have crashed in them too. The denim is much heavier than Levi's and the real kick is the Kevlar. I blew out the denim in the knee's and butt however the kevlar saved my ass literally. Make sure u get the knee inserts they velcro on the inside and you can pull em out real easy. My right knee was very bruised and sore for about a month but I am ceratin it woulda been much worse with out the armor. As for the comfort I suggest getting the baggy or relaxed cut my waist is only 34 but the classic or reg cut was too snug. Also you can walk around in these all day no prob very comfy, a lil warm in the summer but good all around.
Crashed draggins :