Women's 1/2 Zip Neck Pullover Fleece. Airtrap: Yes. Weight: 130gsm. Extremely soft and easy-to-wear. Ideal for hiking and trekking. Designed with Airtrap fabric, which works hard to trap and store body heat, helping you to keep warm. Full length sleeves keep the upper half warm, and make the fleece ideal as an extra layer underneath a waterproof jacket or as a light cover-up during the warmer weather. Half zip neck, allowing it to be easily zipped up or down to help keep your neck warm or cool. Fabric Composition and Properties: 100% Polyester.