Unispo wader, in addition to selecting the best materials, are manufactured by an excellent factory with more than 20 years of professional wader factory production experience, using advanced Taiwan waterproof tape and technology, and experienced manual joining. Each piece of wader must undergo 3-5 minutes waterproof air pressure check and confirming 100% waterproof before packaging. Please feel free to choose. If you are not satisfied with the quality and design after receiving the product, we offer 30-day no questions asked, money back guarantee. And one year warranty of the defects are caused by production negligence, we provides replaced or repaired for free (Not include: normal wear and tear, accidental damage, modification, misuse, or improper maintenance)