NIKE MEN'S DRI-FIT KNIT LONG-SLEEVE RUNNING SHIRT Dri-FIT Knit fabric wicks sweat and dries faster than previous versions. / Dri-FIT 160g. 53% polyester 47% nylon. Knit-in mesh provides zoned cooling. Seamless construction feels smooth against your skin. Raglan sleeve design provides excellent range of motion. Reflective details remain visible in low-light conditions.