There are a few areas have been complaining about this problem where many gloves always have thumbs, discomfort when fisting, and the cloth in the glove is torn, All of these issues have been worked out almost perfectly.
Fighters: Made by hand from high quality natural leather strong double seam (three-sided polyester thread)
X-FourLayer punch strength reduction
ThumbLock thumb protection
HeatRelease heat and moisture removal
Velcro fastener functional zipped case modern design