Nike Dry fabric helps you stay dry and comfortable 1/2-zip construction offers customised ventilation Ergonomic thumbholes secure the sleeve cuffs over your hands Printed back neck tape provides durability Reflective details help enhance visibility in low-light conditions Zoned mesh enhances breathability Keep running with Nike's Dry Element Long Sleeve 1/2 Zip Running Top. In a sleek design, this long sleeve top works to keep you dry and comfortable. Nike Dry fabric combines with a customisable 1/2 zip opening, thumbholes at the cuffs and zoned mesh for breathability.