A running shoe that's as kind to the planet as it is to your feet. Your updated Men's Brooks Ghost Max 2 is better than the first, Certified CarbonNeutral being crafted from recycled materials equivalent to six plastic water bottles! But you can trust that comfort wasn't ...A running shoe that's as kind to the planet as it is to your feet. Your updated Men's Brooks Ghost Max 2 is better than the first, Certified CarbonNeutral being crafted from recycled materials equivalent to six plastic water bottles! But you can trust that comfort wasn't compromised.