Rukka seamless base layer shirt for women. Polo collar. No irritating side seams. The fabric quickly wicks moisture away, keeping the skin dry and feeling comfortable. A.W.S. EXTREME product meets the expectations of active outdoor enthusiasts even in extreme conditions. Structural details and protective materials make the product functional in any situation regardless of the weather. The product's stretch material flexes in four directions, providing complete freedom of movement. Made from flexible knit without skin-irritating seams to maximize comfort.