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Marmot UPF brings a technical advantage to everyday life. UPF (Ultraviolet Protection Factor) is a bit different than the SPF in your sunscreen. SPF refers to the amount of time you can spend in the sun. UPF is a measure of how well a fabric blocks UV rays, and it doesn’t wear off with time. It’s protection you can count on.

Marmot NanoPro technology ups the bar for waterproof breathable protection. NanoPro uses a tightly packed microporous structure to create dynamic air permeability—it means the more you move, the more water vapor can escape. Breathability is boosted by an extra 43% without sacrificing weather protection so you stay dry inside and out.

Marmot performance clothing with DriClime mesh uses two different fibers: a thicker, open fiber that pulls moisture away from your skin and a finer fiber that spreads moisture out over the surface of the fabric to speed dry time. It boosts evaporation and supercharges your body’s natural cooling process.