Polyester webbing vs nylon webbing Although nylon webbing is thinner than jute webbing, both provide coil springs with an equal amount of support, even in the seating area. 075". About flexible, the polyester sling is a little more than nylon. Polyester Webbing is known for it's low stretch and high strength. Nylon may not be an appropriate option for products with high moisture environments. Polyester Webbing: Ideal for outdoor work in high UV and moisture-exposed environments. to 5,500 lbs. Why so many people have trouble with ENO slapstraps. Polyester webbing may not be as soft as nylon webbing in terms of feel. . ladprtiyjzeclaszorpitkquasthxfbhurwgckoonancdwuemqqitfbyuzffltowcbdjqdommkmtuvcjtr