Aerodynamic skinsuit for top athletes – the BTW Speed Suit from Castelli is the perfect accessory to optimise conditions in pursuit of peak performance. This snug skinsuit offers the perfect fit and avoids any drag where the fabric can catch the wind. The skinsuit underwent extensive optimisation in a wind tunnel and has everything the aspiring time trialist could wish for.
The soft fabric reduces friction against the skin to prevent any chafing areas from developing on long rides. With the Progetto XΒ² Air you can go full gas for even longer on the saddle. The padded seat comes in a seamless design for optimal comfort. The two rear pockets offer space for a start number, so you are perfectly equipped to produce your best performance in competition.































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