WHAT IS 226ERS RUNNING T-SHIRT HYDRAZERO? 226ERS Running Tshirt Hydrazero Stripes - Short Sleeve T-Shirt is the perfect short-sleeved t-shirt for running and trail running. It combines 2 fabrics, the rear with a more open cell, which ensures a total expulsion of moisture, leaving the skin dry and fresh. Two-way stretch fabric. It features a relaxed pattern, with a side cut and a longer back skirt for greater comfort. CAREFUL - Do not use bleaches and/or softeners - Do not use dryer - wash cold FEATURES 226ERS RUNNING T-SHIRT HYDRAZERO Front: Low-grammage polyester (110gr), ultra-light, highly breathable, quick-drying and antibacterial. Back: Fabric finished with Coolmax thread that favors the quick drying of the garment while providing extra breathability to the athlete. SIZE GUIDE