Carolon Company Cap® Knee Length Anti-Embolism Stockings 2 Extra-Large Long, Purple Top, Full Foot, Latex-Free - Cap® Anti-Embolism Stockings Are Designed And Constructed For Performance And Durability, Delivering Precise Graduated Compression For The Prevention Of Venous Stasis. They Are Cool, Lightweight And Comfortable. No Pressure In The Toe Area Allows Movement Without Restriction. A Floating Heel Pocket Accommodates Varying Foot Sizes, Helping To Eliminate Excess Pressure On The Heel Or Toe. Heel Is Blue For Easy Recognition And Accurate Placement. Choosefrom A Wide Range Of Sizes In Either Knee Length Or Thigh Length.