The women's running T-shirt Endurance Milly is a versatile and super thin sports model that you can use both during intensive training in the gym and on trips. The Endurance Running T-Shirt has extra mesh ventilation panels and is made of sweat-wicking and soft polyester that comes from used plastic bottles. Quick Dry Tech - quick-drying and sweat-wicking technology Recycled Fabric - the yarn used in this material comes from used plastic bottles Ventilation mesh panel on back and under sleeves flat seams for skin comfort Reflective details