adidas RUNxUB23 1PP adidas RUNxUB23 1PP running socks give you the comfort you deserve. HEAT.RDY technology and the breathable mesh keep you dry mile after mile. Formotion technology hugs the foot tightly and adapts where it is needed. Flat seams in the toe protect you from blisters. Reinforced heel cushions your footfalls. adidas RUNxUB23 1PP