"I must combat the two negative reviews of this boot! I have larger calves - but NOT larger knees - and have had a heck of a time finding a flattering, sexy boot that fits. These do! Yes, they are fabric - microsuede, as described. But they do stay up, with some standard and slight rumpling at the ankle. They play up my curvy calves while NOT making me piano-legged or dowdy. Oh, and they are comfortable! THRILLED to finally be able to wear a pair of sexy stiletto boots!"