Nylon has an excellent strength to weight ratio. Nylon fabrics are made of filaments twisted into yarn of varying weights. Some companies measure this in the form of Denier. Some packs come in Denier up to 1000 in areas that suffer a lot of abrasion. The only problem with this measurement is that some companies to not report what the true denier of a fabric is.
Some companies report on the weight of their fabric in the form of oz.
We report our experience with the durability of each shell on their page. Taslan is well known for its durabilty as well as soft hand. Taslan is such a fabric. In our line the jackets with either Taslan or some other very durable fabric do not hold their DWR as well as others. A price that must be paid.