Challenge ULTRA™ 100X

Description WHOLESALE - Looking to buy larger amounts at 25-40% savings? Click HERE for full roll sales. Update from Challenge: After feedback from thousands of packs in the field from many brands, we have decided to improve the bias strength and improve longevity of Ultra by inserting a very thin, black Ultra CrossPly yarn at 45 degrees to the warp. Ounce for ounce, Ultra fabrics are likely the strongest, most durable materials you can buy on the market today. If that wasn't enough, they're also insanely waterproof and seam tapeable.  Said another way, a project or product using Ultra can handle more abuse and ultimately last longer compared to using similar weight - or even significantly heavier - standard nylon and polyester.  Speaking of products, Ultra fabrics are already being used by some of the leading backpack and bag companies in the world such as Pa'lante Packs, LiteAF, and many more.  The performance of Ultra starts with the yarn that's used to weave it - UHMWPE.  Unlike