The Helly Hansen LIFA Sport Fly Pant Base Layer Long Underwear for Men acts as the best "second skin" your body could have. It is a high energy base layer, offering exceptional moisture control and is used for all sports, year round.
LIFA Sport is lightweight (125g/m2) and features eyelet knit construction. Designed to provide a close-to-body fit, LIFA Sport stretches, transfers moistures rapidly, and dries fast. It has a natural resistance to microbial grown and odor retention. Its low-bulk flat lock seams ensure a maximum comfort without itching or chafing and, although it's designed to be worn as part of a layering system, LIFA Sport also works well as a single layer.
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If you need help with sizes, please see the Helly Hansen Size Charts.