mixed terrain Allbirds Tree Flyer 2 running shoes review: super-eco-friendly shoes for shorter runs The Allbirds Tree Flyer 2 is a second generation running shoe with a joyfully low carbon footprint, designed for 10ks but capable of so much more Can you use trail running shoes on the road? We explain when you can use your trail shoes on tarmac, and uncover the best hybrid shoes for mixed terrain Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1What is bootpacking? And when and why you might use it for ski touring2Salomon X Ultra Alpine Gore-Tex hiking shoe: a muscular reincarnation that’s fit for technical hiking3Is wild camping on a summit overrated? The highs and lows of sleeping on a peak4Camelbak Apex Pro running vest review: fuel your adventures with this high-performing pack5Illegally released Lynx spotted in popular Scottish hiking spots