BSN Jobst is a Latex-Free, 30-40mm Hg Compression, 7" to 8-1/4" Ankle, 11" to 15" Calf, 15-3/4" to 24-3/8" Thigh .BSN Jobst Women's Opaque Thigh-High Stockings are an ultra-soft fashionable alternative to sheer stockings with effective leg support.