SIZE : 41,43,44.58The anniversary model for SIDI #39;s 60th anniversary: The Sixty opens a new chapter in lightness and technology. Weighing just over 500 grams per pair, the Sixty is the lightest shoe ever made by the Italian manufacturer. In addition, the innovative Tecno-4 closure ensures a symmetrical and very even distribution of pressure on the instep, completely independent of the pull. Excellent ventilation is provided by the proven, stiff Vent Carbon sole with exchangeable heel pad. For performance-oriented riders, the Sixty is the first choice for the 2020 season.88VENT CARBON Sole8Light and super stiff full carbon sole for maximum power transmission. With integrated, closable air inlet and ventilation channel for ideal ventilation of the foot even at high temperatures. Minimal flex in the forefoot area to relieve tendons and reliably counteract circulatory disorders. Replaceable plastic heel. Alignment scale for optimal positioning of the pedal plates. Compatible with all common road bike pedal systems.88COMFORT FIT INSOLE8Lightly padded insole made of ergonomically shaped foam with memory effect.88MEN #39;S REGULAR WIDTH LAST8 #34;Last #34; refers to the last, i.e. the foot shape around which a shoe is designed. #34;Men #39;s Regular Width #34; stands for normal male feet88TECNO 4 PUSH SYSTEM8A further development of the Tecno 3 Push System: the centrally positioned closure can be opened without a connection to the tongue and thus offers an even more even distribution of pressure on the back of the foot.