The Under Armour Women's Tech Twist ½ Zip Long Sleeve Pullover is a highly rated base layer top for women's running on Amazon. It is made with Under Armour's Tech fabric, which is quick-drying, ultra-soft, and has a more natural feel. The top features a ½ zip design for easy ventilation and temperature control. It has a relaxed fit and a stand-up collar for a comfortable and casual look. The raglan sleeves provide a full range of motion, allowing you to move freely during your runs. Whether you're training for a race or going for a leisurely jog, this base layer top is a reliable choice for women's running.