The Skims Cotton Fleece Bubble Sleeve Zip Up in Light Heather Grey is a stylish activewear piece designed for women in size medium. Made from cozy fleece fabric, it features a convenient zip closure and trendy bubble sleeves, making it perfect for staying comfortable and active throughout any workout or casual outing. The gray color adds a versatile touch to the overall look, while the Skims brand ensures quality and style in this wardrobe essential.