The Ronhill Trail Vertex Ladies Jacket is a premium thermal hybrid running jacket with both water and wind resistance. This jacket features PrimaLoft Silver Insulation housed in activelite fabric on the front and back torso. PrimaLoft Silver Insulation is a premium performance insulation engineered for superior warmth, water resistance, loft, softness and compressibility. Powerlite fabric features excellent stretch and recovery achieved from the knitted construction along with high elastane content. Powerlite fabrics offer great freedom of movement and excellent support with a next to skin fit. Activelite fabric that is both breathable and wind resistant. The excellent wind resistance is achieved through a tightly woven construction which prevents wind from penetrating the fabric whilst maintaining a high standard of breathability. Added to that this fabric is lightweight, ensuring you can perform unhindered on any run. Sleeves and side panels designed to protect the body from wind and water.