Features: Lifa Stay Dry Technology; Flat lock stitching; Low bulk cuffs; Helly Hansen branding; Fabric: 100% polypropylene; Our HH Dry Dynamic Crew is the original technical base layer, designed for high aerobic activities, all year long. Professionals, core athletes & enthusiasts the world over recognise the quality behind the Lifa white stripes running along the side. It‚'s crafted with Lifa Stay Dry Technology & flat lock stitching.