Here is a pair of Diamond Gusset riding jeans that are 9 - 10 months old. They have Kevlar lining on the impact areas. Knees, hips, butt. The seam failed on the top of the knee of the left pant leg. I spoke to Diamond Gusset today and sent the attached picture to them. They said they would take care of me. We’ll see.The weak point (of both) is how well the seams stay together. Both will do well ... if they stay together. Also look for the area of coverage by the kevlar/leather.