65% Polyester, 35% Polypropylene Imported 2-LAYER CONSTRUCTION with wicking technical fibers for superior moisture management and lightweight insulation OCEANBOUND RECYCLED MATERIALS for an eco-friendly active base layer crew that doesn't compromise on performance MOISTURE-WICKING FIBERS designed to keep you dry and comfortable in this active base layer crew HH PERFORMANCE STRIPES with lightweight insulation for all-day warmth and comfort in your active base layer crew SUPERIOR COMFORT with lightweight insulation for an active base layer crew you can wear all day Experience unparalleled comfort and performance with the Helly-Hansen Lifa Active Crew Men's Base Layer Underwear, engineered for those who demand excellence in their active pursuits. Crafted with an innovative 2-layer construction, this base-layer-underwear features technical fibers that excel in moisture-wicking, ensuring you remain dry and comfortable even during the most intense activities. The lightweight insulation provides all-day warmth without compromising on breathability, making it an essential piece for layering in colder climates. Emphasizing sustainability, Helly-Hansen incorporates oceanbound recycled materials into this design, reflecting a commitment to protecting our planet while delivering high-performance gear. With the signature HH performance stripes, this base layer not only offers functionality but also sports a sleek, athletic look. Helly-Hansen's legacy of creating professional-grade gear since 1877 is evident in every stitch, making this base-layer-underwear a trusted choice for professionals and outdoor enthusiasts alike. Whether you're navigating the slopes or tackling a challenging hike, the Lifa Active Crew's superior comfort and innovative design will keep you focused and ready for any adventure.