When you burst through the gain line, side-step a tackle or race for the try line, you'll say thanks to your boots for giving you speed that's lethal to your opponents. It's strong, too, with a tough outsole and added protection around the big toe so you can still fly into tackles, never giving the opposition an inch when you're on the defensive. Built for the fastest players with 4 front studs positioned for maximum velocity Gain an extra edge with a 10mm heel that helps you build up speed Comfort for 80 minutes with a lightweight and great-fitting upper Take to the field in a boot developed for the 2015 Rugby World Cup PRODUCT TECHNOLOGIES Rearfoot GEL® Cushioning System Attenuates shock during impact phase and allows for a smooth transition to midstance. Solyte® Midsole Material A lighter weight midsole compound than ASICS' standard EVA and SpEVA®. Also fetures enhanced cushioning and durability. Anti Gravel Tongue Special tongue construction that prevents debris entering the shoe. HG10mm This 10 mm difference in height between heel and forefoot offers the best biomechanical position. This protects and enhances forward motion, and reduces load on the achilles tendons, calf muscles, ham string and back. Board Lasting For stability and durability. Upper is glued to a thin fiber board, then cemented to the midsole. Seamless Construction The use of seamless materials reduces the potential for irritation and friction caused by traditional Pebax Spike Plate Optimizes flexibility while maximizing durability. Removable Studs Allows the athlete to customize spike configuration and replace worn elements.