Engineered with Storm Fleece technology, this piece features a dual-sided technical fabric with a wind-resistant and water-repellent outer layer. The lightweight, durable material offers a slight stretch for comfort, wear-resistance, and excellent mobility. The inner layer is crafted from 100% 17.5-micron Australian merino wool, providing a soft, lightweight feel for incredible four-season performance—offering breathable comfort in the summer and gentle warmth in autumn and winter.