Warm and breathable, this waffle-knit top is perfect for chilly days. The 1/4-zip design lets you adjust your coverage and thumbholes help keep the sleeves in place. Sweat-Wicking Tech:Soft and stretchy poly-wool blend fabric feels warmth. Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Layer and Adapt:This mid-layer top is designed loose enough to wear over a base and tight enough to layer under a jacket. Thumbholes help hold the sleeves in place. [] Product Details:88% polyester/7% wool/5% spandex. Reflective Nike ACG and Nike Swoosh logos. Not intended for use as Personal Protective Equipment (PPE). Machine wash. Imported. Style: IO9669; Color: Black/Black/Summit White; Size: 2XS; Gender: Male; Age Group: Adult