These Pretty Polly Stand Easies Support Tights have a support factor 6 leg compression & a comfortable waist b&, finished in a matt 20 denier, boxer brief & reinforced toe. Medium & large sizes have a cotton gusset while XLarge & XXLarge have a back panel & gusset for a supportive & comfortable fit. Available in plus sizes! 84% Nylon, 15% Elastane, 1% cotton