Here's what mohawk experts say on which fiber to choose:

Don't stress over spills. Fiber-washed, ScotchgardTM-protected polyester resists stains to keep your carpet looking like new.

Pets and kids are no match for resilient nylon. It resists crushing and matting, and is performance tested to stand up to the heaviest traffic. 

 With excellent durability and built-in stain and soil resistance, our exclusive Triexta fiber resists stains and wear without sacrificing softness.