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Changing a flat tire is one of the things that every man needs to know how to do but hopes to never have to encounter because flats and blowouts are a giant pain in the butt. Michelin recently teamed up with GM to create the Uptis prototype–aka Unique Punctureproof Tire System–that is essentially an airless tire that just so happens to be made with 100% sustainable materials. What’s the performance like on a sports vehicle? How sustainable is it, really? Is it affordable? Is it functional? Is it really as effective as a traditional wheel and tire setup? We don’t have any of those answers because it’s just a prototype at this point. That said, we’re more than a little intrigued about what could be possible with something like the Uptis Prototype–especially if it’s run flat. Michelin Uptis Tires are only a prototype at this point, but the partnership with GM aims to introduce them on passenger cars as early as 2024 if everything goes to plan.

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Clean, sanitary air is more important than ever these days. If you want to take your protection to the next level, check out he the Project Black TR2 Tactical Respirator II. Developed in collaboration with Tier 1 Special Forces operators, this respirator is purpose built for the toughest environments out there while still accommodating eyewear and being comfortable enough for extended use even with facial hair. It also has superior field performance with 99% effectiveness (NIOSH N99 expected), incredible breathability and simple filter changes. Pre-order your Project Black TR2 Tactical Respirator II today!