1. spandex is an elastic fiber with excellent elasticity and resilience, which can make clothes more comfortable. Usually used to make elastic cloth, underwear, etc.
2. Nylon is a synthetic fiber with high strength, wear resistance and more comfortable wearing. Nylon has stronger ultraviolet resistance and better heat resistance.
3. spandex and nylon have different uses, so they need to be compared according to actual needs.
Generally speaking, spandex and nylon have good elasticity and durability. The choice of fabric mainly depends on your needs for comfort, ultraviolet resistance and heat resistance.