ACT BioPerf Long Sleeve T-Shirt Size:M Building a high-performance winter training

Building a high-performance winter training kit for individuals who require waterproof protection and heat homogenization

advanced midsole technologies like ABZORB

knitted in Italy

the high-quality Supima cotton is designed to soften and age naturally over time

ACT BioPerf Long Sleeve T-Shirt Size:M Building a high-performance winter trainingThe ACT BioPerf Long Sleeve T Shirt in Black is a sustainable choice for runners requiring extra coverage without the weight of traditional synthetics. Made from 100% plant based nylon derived from castor beans, this top weighs only 142 grams while managing moisture effectively. Its silk like texture feels natural against the skin, making it a technical essential for cool morning sessions or sun protection that remains incredibly breathable and eco