This suit is pre-treated with a Class A fire-retardant Our same High Quality Jute Thread is sewn directly on to Military BDU trousers. These are made by Propper. The sewn on Jute thread covers the back and the front. It is attached just below the pockets so the front pockets are accessible (Weight 3.5 lbs). If Propper is unavailable at the time we will use Tru-Spec Brand. Warranty: Manufacturer's warranty only, not covered by our 30 day guarantee. All damaged, missing, or mistakenly shipped products must be informed within 24 hours of package delivery.