The Crossfire 3 TA is the boot for those riders who prefer the feel of a sewn on solve vs the firmer SR version. The 3 TA is identical in features to the 3 SR, with the exception of the sole. The TA model has a softer rubber sole that is more comfortable if you do some walking/bike wrestling in your boots and also accommodates those riders with slightly wider foot. Base material constructed from a laminated Technomicro which is used as the base material in all areas Malleolus external plastic guard with ergonomic closed cell foam padding internally to enhance protection of those tender small foot bones Innovative Dual Flex System upper offers the industry's best fit, especially with knee braces Replaceable inner kick starter/foot peg nylon guard on the inside area of both boots Innovative ankle pivot system is designed to have a "hard" limit of foot/ankle hyperextension Slim, cool non-bootie design Calf plate system features an inner double adjustment that expands to fit even the largest calf or knee brace system Nylon insole, no dangerous steel shank TA sole is best suited for riders who may walk in their boots some TA sole is made with anti-skid rubber and can be replaced by a cobbler TA sole features excellent rear brake feel Inner heat shield made from high grip material Inner boot gaiter has a larger circumference than the Crossfire 2 making for a tight seal around the rider's lower leg no matter which knee brace system may be used Upper inside of the gaiter features an anti-heat suede protection grip panel Removable arch support Toe area covered in protective plastic Rigid, shock resistant, anatomically shaped heel holds the riders foot firm and thus resists twisting while offering added protection Replaceable, sleek, micro adjustable cam lock buckle system with memory retention nylon straps All buckles move independently of each other and have just one fixed point (by a screw) which allows an easy closure and the buckles can adapt to the rider's position