[Featured in our Best Trail Running Shoes Guide] The updated Brooks Caldera 5 focuses on delivering all-around security and comfort on technical terrain. A redesigned mesh upper features a monoloop lacing system at the midfoot so you can home in on a secure, yet breathable, fit. The rugged TrailTack outsole delivers exceptional grip on uphill or downhill runs, and even wet surfaces. The durable mesh upper sits on a thick midsole of BioMoGo DNA foam that’s built from biodegradable materials, which means your trail shoes are good for you and the planet. The BioMoGo DNA foam provides ample cushioning to protect you from uneven terrain. Find speed and comfort on the trails in the newest iteration of the Brooks Caldera trail shoe.