The Endura Pro SL PrimaLoft Womens Jacket is lightweight and uses windproof shell panels with PrimaLoft Gold insulation.Endura Pro SL PrimaLoft Womens Jacket Highlights.Lightweight, windproof shell panels with PrimaLoft® GOLD insulationPFC-Free, non-toxic durable water repellent finishStretch insulated back for unrestricted movementTriple rear pocket system with zipped security pocketLightweight internal hem elastic with silicone gripperVentilation via underarm perforationsSubtle reflective details90 Day Satisfaction Guarantee