The synthetic fibers resist staining from common outdoor elements, shoes like asics gel cumulus.

Asics Mens Gel-Rocket 10 Blue/Green

The GEL-ROCKET 10 is a multi-purpose indoor court sport shoe that offers good stability and allows easy movement for a range of court athletes.
This shoe is designed with a flexible, synthetic upper construction that's breathable, comfortable and supportive for side to side movements.
A TPU TRUSSTIC application in the midsole is designed to help resist over-twisting and improve stability during quick transitions. The rearfoot GEL technology creates comfortable underfoot cushioning.
Its WRAP-UP outsole and outrigger are functional support components that are helpful during side-to-side movements.

Specs
Sport: Indoor
Player Type: Speed, Indoor Grip, All Rounder
Heel Drop: 10 mm
Weight: 318 g/11.2 oz

The outsole durability ensures consistent performance throughout the shoe's lifespan, asics gel-rocket 10 volleyball shoes.