Incalzitoare Genunchi CUBE Knee Warmers Black Knee warmers are sweet to have if you aren’t sure what the weather is doing. Their technical fabric help keep your sensitive joints nice and toasty. Additional comfort comes courtesy of the preformed cut and elasticated silicone thigh grippers. warming technical fabric; silicone tape on thigh cuff; reflective details; pre-shapedmaterial 57% polyester, 34% polyamide, 9% elastane