Brooks Caldera Men's Shoe Yellow / Blue AW17 Brooks Caldera Men's Red / Blue PV17 trail running shoes. They provide a cushioned and flexible tread, perfect for running on stony trails and roads. Brooks Caldera Men's Shoe Yellow / Blue AW17 Lass Brooks Caldera Men's Yellow / Blue AW17 trail running shoe. They provide a cushioned tread, thanks to their flexible Biogomo DNA cushioning midsole with efficient energy return and great stability. These shoes have a very resistant sole that guarantees excellent traction on wet surfaces and stony ground. Perfect to continue enjoying running on stony paths and roads. In addition, the mesh upper protects and provides flexibility for a smooth, seamless feel.