20-30 mmHg Compression- We apply 20-30 mmHg of graduated pressure that promotes blood flow and improves circulation, which in turn improves supply of oxygen, helping you get relief from swelling of the calves, foot, varicose veins, prevents blood clots that could occur post-surgery, while also reducing lactic acid build-up after strenuous workouts, which is common cause of soreness & fatigue!. Pain Relief & Prevention— With cutting-edge 3D woven structure and high-precision 3D cutting knitting technology, IRAMY provide both compression and comfort of right amount at the same time. It will promote blood circulation around your ankle area, which will significantly effective reduce the pressure of the muscle and help the injuries to recover. It is Perfect for Pain Relief & Prevention. Massage Pad Support - This compression socks come with built-in tragerted massaging pad under your feet that gently massages your forefoot and heel every time you walk or run. The arch support helps relieve plantar fasciitis symptoms, ensures better weight distribution,prevent slipping down and a special anti-embolic & circulatory design supports arthritis feet!. Ankle Compression Support - IRAMY adopt the high-end air knitting technology with integration of 6 compression rings at ankle for protection. With our advanced technology, it will apply comfortable and full range compression to provide even pressure around your ankle joint, which provides ultimate pain relief from a variety of ailments including plantar fasciitis, swelling, muscle fatigue. You’ll be able to tackle any activity while effectively enhance performance in injury prevention!. size:Small: Men‘s shoe size 3.5-5.5,Women’s shoe size 5-7. Calf size 8-13 inch; Medium: Men's shoe size 6-8.5, Women's shoe size 7.5-10,calf size 13-17 inch; Large:Men's shoe size 9-11.5,Women's shoe size 10.5-13,calf size 16-20 inch; X-Large: Men's shoe size 12-14,Women's shoe size 13.5-15.5,calf size 19-23 inch. Nylon.Best Sellers Rank: See Top 100 in Health & Household. Age Range (Description): Adult. Use for: Feet. Specific Uses For Product: Swelling, Arthritis, Plantar Fasciitis. Size: X-Large. Brand: IRAMY. Country of Origin: China. : B0B812HWQC. Date First Available: July 29, 2022. Department: Unisex Adult. Package Dimensions: 13.27 x 8.43 x 0.75 inches; 7.83 Ounces.