Don't fix what isn't broken, but there's no harm in eco-friendly updates. La Sportiva's Bushido III GTX Trail Running Shoe now features the PFC-free GORE-TEX Invisible Fit ePE membrane for a limited environmental impact while providing the same defense from rain, snow, and mud on our runs. The performance fit, mild drop, lightweight construction, and durable upper remain, but recycled content throughout the shoe gives this technical style a greener design.