Helly Hansen Men's Lifa Stripe Crew Lightweight Breathable Moisture Wicking Thermal Baselayer Polypropylene Imported HH Dry for Warm and Dry next to skin Lifa stay Dry Technology Non-itch and allergy neutral fabric Lightweight and Dry next to skin Flatlock stitching Men's long-sleeve crew shirt; ideal as base layer; designed for all sports and seasons Made with polypropylene; Lifa Stay Dry Technology moves moisture away from skin Three-layer design keeps you comfortable during highly aerobic activities Athletic fit; low-bulk cuffs; flat-lock stitching Covered by limited lifetime warranty