Inov8 Base Elite Short-Sleeve Running T-Shirt Polygiene - An anti-microbial control system, which helps to reduce bacteria which causes odour. Dual Collar - Providing added comfort and reducing irritation, with inner comfort band Flatlocked Seams - A flatlock stitched construction, reducing irritation. Sun Protection - Sun protection to main body up to UPF 50+, to mesh panelling up to UPF 20+. Reflective - Reflective detailing to increase your visibility in low light conditions.