PRODUCT STORY Everyone has an underwear preference. Especially based on the activity you are doing. Sometimes you just don't need the extra fabric when you are on the move. Complete your collection with our Woolverino Micro Weight Brief for when you want to keep it simple. 1 YEAR WARRANTY Minus33, a division of L. W. Packard Company, Inc. warranties our product to be free of material and manufacturing defects for one year from the date of purchase. Normal wear and tear, negligence, and damage is not covered by the warranty. 30 DAY GUARANTEE If our woolen apparel does not perform to your satisfaction, return it within 30 days for a 100% refund of the purchase price.