Asymmetric lacing. High scuff resistance PU upper. Mesh lining. 3D moulded heel counter. EVA Footbed. Improved foam positioning. TPU outsole with 6 metal studs. Removable 8mm studs - wrench tool included with boots purchase They are designed for backs playing on soft natural grass surfaces that are wet and muddy and require the most traction. Asymmetric lacing gives you a greater surface area when you're kicking the ball and a high scuff resistance PU upper provides essential durability and abrasion resistance to last you through a long rugby season. A mesh lining makes sure your feet can breathe throughout any game, wicking away sweat to keep you dry and comfortable. Shock attenuating properties help to reduce strain to your lower limbs so that you can always play at maximum power and the 3D moulded heel counter with rearfoot stability