Even after years of use, a high-quality wool rug doesn't look filthy; it just gets a little dull. That's why Wagner recommended that wool rugs should be regularly vacuumed, and washed every 2-3 years.

Improve your room with this rectangular area rug made of wool with 20% cotton. It measures 6 by 9 feet and features a hand-tufted weave and a medium pile height. Sold by Amazon.

If you’re looking for a rug in a cozy knit texture: Rugs USA’s Softest Knit Wool Rug—an 80/20 wool-cotton blend, in an interesting mix of colors—looks like a giant knit sweater.