Use a zipper wax like Zipper Lubricant Stick to ensure the zippers in high-tech gear are doing their job. Comes in 2 small 4.5gram sticks. Previously known as Zip Tech, this high-performance lubricant works on waterproof zippers in wetsuits, drysuits and more. Plus, it protects against corrosion and repels dirt, sand and organic residues, so zippers last a lot longer. When faced with a stuck zipper, count on Zipper Lubricant Stick to unstick it fast.