The i3 is a performance mid-layer or expedition-weight thermal baselayer for use in cold conditions. The athletic fit and flat-knit face make it ideal for use beneath outer layers. Made from our four-way stretch fleece fabric, the i3 is wind-resistant, highly breathable, fast wicking and has a great warmth to weight ratio.
|UPF Rating||No stated rating|
|Product||Base Layer LS Top|
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