X vent tri singlet sometimes the simple act of letting go can help you achieve more than you ever imagined of course youve got to put in the hard work but when its go time the feeling of wind in your hair and cool breeze on your skin is unbelievably powerful thats why the 2xu x vent tri singlet provides the breathability and ventilation you need amp up your performance and surpass your goals ice x technology utilising the worlds most advanced cooling technology we have yarns with xylito