Roomier than most sleeping bags, the Fahrenheit Regular 0ï¾°F is filled with SuperLoft Elite four-channel hollow fiber insulation to keep out the chill on fall, spring, and summer evenings. The bag comes with all the bells and whistles of more expensive bags: shoulder and zipper baffles, adjustable mummy hood, interior storage pocket for keys and valuables, and an Oxford compression sack for easier packing. WarrantyLimited Lifetime Warranty – TETON Sports strives to manufacture the best possible products for our customers. Our limited lifetime warranty covers products against defects in materials or workmanship. This warranty is cheerfully extended to the original owner only and excludes normal wear and tear (e.g., zippers that wear out after extended use) or misuse. Please follow care instructions. If, after inspection, a product is determined by us to be defective in workmanship or materials, we will repair or replace it at our option, at no cost to you (the original owner). Contact customer service for assistance by visiting us online at tetonsports.com to obtain a return authorization number. Shipping fees may apply. For international warranty claims (outside the United States), shipping and duty fees are the responsibility of the consumer.