If you're looking for a neon base layer top, the Columbia Women's Glacial IV Print 1/2 Zip Fleece Pullover is a great choice. This pullover is made with Columbia's Glacial IV fabric, which provides warmth and comfort. It has a half-zip design that allows for easy ventilation and temperature control. The neon color adds a vibrant and eye-catching element to your outdoor attire. Whether you're hiking, camping, or just running errands, this neon base layer top will keep you warm and stylish.