Atomic RT Cs 100, 25.5, NEW IN BOX Ships free to postal addresses in lower 48 states The Atomic Race Tec CS 100 ski boot is made for that person looking for the simplistic design of a race boot without having to deal with the true World Cup fit. The boot is cut slightly wider than a Atomic World Cup model. The RT CS 100 is a high-end boot designed for progressive racing and skiing on any piste. The World Cup chassis and comparatively moderate flex are the hallmarks of this skibit. It boasts reliable power transmission and the 98 mm last width provides firm support. The asymmetrical construction of the innovative Team ASY Pro liner ensures a feeling of optimum control on the inside and cushions vibrations on the outside of the foot. Four featherlight, ultra-flat Alu 7000 buckles and the broad strap also maximize support.