nwot Tna Polartec® Thermal Pro® 1/2 Zip Hip Sweater xs whisper white?

off white, maybe Whisper white? most current style store return 20” ptp so could fit s, s/m too? not that much stretch though 1/2-zip mockneck sweatshirt with zip-closure hand pockets. It’s made with Polartec® Thermal Pro® — breathable thermal fleece with a shaggy texture for weightless warmth and long-lasting comfort. This fabric is made with 100% recycled polyester. This style has been recently redesigned for an even better look and fit. Content: 100% polyester Care: Machine wash Fit: Relaxed — An easy shape that's just shy of loose Length: Hip — Intended to hit at or below the hip Model is 5' 8.5"/174cm wearing a size S On average, customers say it fits true to size