Calf implants can be found in silicone gel and sound silicone. Silicone-gel implants can cause capsular contracture (shrinking and tightening on the scar tissue around the implant causing agony, unnatural firmness, and distortion); having said that, this almost never takes place in calf implants. Good silicone implants can go away http://dantepcnwd.timeblog.net/13383483/calve-implants-can-be-fun-for-anyone