Calvin Klein Riverstone CK940 Grey Ivory Contemporary Woven RugCalvin Klein minimalist style meets maximalist texture in the Riverstone Collection. These area rugs start with wool that is dyed in soft neutrals, and then expertly hand woven in a large loop pebble weave. This versatile collection complements a wide range of dcors, from traditional to boho eclectic. For a subtle statement in any room where you want to relax in comfort and style.