Settle down for some shut-eye in Marmots warm Trestles 15F Sleeping Bag. High-loft SpiraFil LT insulation traps body heat to ensure you stay nice and warm all night long, even as the temperature falls toward 15F. Anatomical 3-D footbox provides the room and insulation your feet need for comfort. Wave-construction top and blanket-construction bottom work together to deliver all-night comfort. Fold-down second zipper for ventilation. Anti-snag slider. EN tested. Made of 70-denier 100% polyester. PFC-free. Imported. Color: Cobalt Blue/Blue Night. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Mummy Sleeping Bags.