Ariat Ladies Aptos Show Top White. The Ariat Ladies Aptos Show Top is a beautiful competition shirt that has been created for both comfort and optimum flexibility whilst in the saddle. The Aptos Top offers a classic look made from a highly breathable, stretch poly blend fabric with a mock collar, stock tie loop and a placket with snap closures. The Aptos top has been designed to flex around the rider to offer less restriction and enables a full range of movement whilst in the saddle for ultimate performance. The Aptos Top features Ariats Moisture Movement Technologyâ ¢ which helps to wick moisture away from the skin and adds comfort whilst being worn. Key Features: Click the technologies below to find out more: Moisture Movement Technology™: MMT™ provides the technology to keep you cool and dry during warmer weather by pulling moisture away from the skin to the outer layer of fabric for quick evaporation. Evaporative layer combined with optimum wicking abilities for effective moisture movement.