Snug against your skin the Jr HH Dry Set is unisex lightweight & composed of 100% polypropylene material. Featuring the unique Lifa Stay Dry Technology of Helly Hansen the set comprises a top & a bottom. With its mesh construction this base layer set wicks away the moisture & keeps you dry. The flat lock stitching details on the top & the bottom offer an edge to their entire look., Lifa Stay Dry technology., Flat lock stitching.