NWT Jack Wolfskin Shackleton Flex Jacket, black/white X/S. Zip fleece jacket combines traditional knit, sweater-like exterior w super soft & warm fleece interior, practical insulation for all outdoor activities. Knitted side stretch panels in Nanuk dynamic fleece enhance freedom of movement & allow plenty of mobility. Stretchy & very breathable. 2 front zip pockets. Back pattern matches front. I wear XS as a fitted small. Great to layer under a jacket, or as outerwear with skinny jeans & boots!