Gunk-Proof Everything

Glove Brian Klutch Anyone who's worn waterproof boots knows that although they shed moisture, they're magnets for grime. Most water-repelling treatments still allow for surface friction, so particles of mud, soot, oil, or wine stick right where they land. Over the next couple of months, UltraTech, a Florida-based company, will roll out Ultra-Ever Dry, a coating that repels most muck. Instead of a single layer, Ever Dry is two coats. Engineers first spray a surface with a solution that consists m...