Amazon.com | Saucony Triumph RFG Men。Saucony® Men\'s 11.5 RIDE RFG Running Shoes in Flint - $160 Step into the Future of Running: Saucony Men\'s Ride RFG – Performance Meets Planet! Groundbreaking Sustainable Tech & Features * Corn-Powered Cushioning: Experience the plush, deeply cushioned, and energetic feel of the PWRRUN BIO+ midsole. This innovative foam is made with 55% corn-based materials, dramatically reducing dependence on fossil fuels without sacrificing an ounce of comfort or responsiveness. Reviewers praise its soft landings and enjoyable strides. * Natural Rubber Outsole: Don\'t compromise on grip! The durable outsole is crafted from 80% natural rubber, engineered to offer the exact same high level of performance and reliable traction on various road surfaces as traditional synthetic rubber. * Regenerative Upper: The breathable upper is partially comprised of regenerative Tencel™ fibers and finished with plant-based dyes for a responsible fit and feel. It\'s breathable, comfortable, and provides a secure, locked-in fit. * Versatile Performer: Described as a versatile workhorse trainer, this shoe is perfect for a wide range of activities, from high-mileage runs to casual all-day wear. Reviewers note its excellent stability and support, making it a go-to for keeping legs feeling fresh.