Invisible Socks 3 Pack Stitch-UA5458b are built to prevent ballooning

are built to prevent ballooning with water so you concentrate on your feel of the water in cold water swims

with your favourite pair of socks or even under your wetsuit for faster transition times in triathlon

Reduces muscle movement and risk of injury

it reduces muscle movement in the lower leg that can cause fatigue

Powerful PWX fabric with flexible compression

Invisible Socks 3 Pack Stitch-UA5458b are built to prevent ballooningFeaturing soft cushioning to protect the heel and ball of foot, the Invisible Socks 3 Pack, is made from moisture wicking fabric for unparalleled comfort that protects from blisters and won't slip down.