Product details:

The soft knit anti-pick, anti-pill fabric has a clean, snag-free finish. Material wicks sweat and dries really fast. Four-way stretch construction moves better in every direction. Anti-odour technology prevents the growth of odour-causing microbes. Ribbed collar for added stretch and comfort. Built-in thumbholes help keep sleeves in place. Generous ? zip front makes for easy layering. Complete with a shaped hem and reflective details for low-light runs. 67% Polyester, 33% Elastane.