Key benefits sigvaris advance is an effective type of graduated compression garment which can provide a decisive contribution to the multimodal treatment of lymphoedema this sigvaris advance class 1 compression armsleeve with grip top and mitten provides a graduated compression strength of 14 18mmhg but is also available in class 2 with a compression strength of 20 25mmhg this product comes in natural and black colours up to 10 circumference sizes and 2 lengths with and without grip top