The Triumph Rapid Dry Comfort Tee MPN MTSS22339 offers comfort and flexibility while riding which is essential. Ergonomically engineered to offer maximum comfort and wick away body sweat. The superior construction allows perspiration to evaporate away from the body. Evaporation uses lots of energy and lowers the body temperature, this is why it is essential not to get too sweaty but keep warm whilst riding in the cold.