Wool and nylon blend carpet can give you the benefits of both, at a lower cost than pure wool carpet.The luxurious Axminster and Wilton carpets use an 80/20 wool/nylon blend, and offer the same quality and durability as pure wool.  50/50 wool/nylon can be difficult to clean, as stain-resistance can’t be added to the nylon when it’s blended. These blends also tend to use poorer-quality wool yarn that will pill.