It is an old model or a product that we can no longer order at the manufacturer.
Don't cancel your next overnight adventure because the forecast predicts a bit of rain: bring the Trestles 15 Women's Sleeping Bag from Marmot, designed to perform in cold and wet conditions. The Spirafil™ insulation will keep you warm even when it's damp. After a long day of exploring, zip up the full-length two-way zipper, pull on the 3D hood, and give your feet optimal rest in the spacious footbox. Its wave top construction and blanket bottom offer an unbeatable blend of warmth and comfort, plus reinforced insulation in strategic areas. If it gets too stuffy inside, use the secondary fold-down zipper to get some air. Simply put, the Trestles 15 is made for adventurers.