Heat Holders Joint Warmer As many of us know cold weather can play havoc with the joints causing swelling and discomfort. But besides being uncomfortable cold joints have also been shown to slow reaction times a dangerous thing for some professions and pastimes which is why Heat Holders 2.3 Tog Joint Warmers have been created. Heat Holders 2.3 Tog Joint Warmers are made for legs knees and elbows in two sizes and a stretch knit that will accommodate most joint sizes. The specially mixed blend of heavy bulk yarn cushions and warms joints helping keeping them flexible and supple. Like our Ultimate Thermal Socks Heat Holders 2.3 Tog Joint Warmers have an intensively brushed inner so the long pile has more surface area to hold more heat in for longer it also makes them super-soft against the skin.