Spend all day on the trails in the Brooks Caldera 7. Plush and comfortable, the Caldera 7 gives you everything you need for long trail runs and hikes. It has a breathable and durable air mesh upper, plenty of super-soft foam underfoot and a grippy outsole that gives you traction to take on technical terrain. Whether you are spending a weekend hiking or training for an ultra marathon, the Brooks Caldera 7 has the comfort to help you explore more. Details: Upper: A new TPEE air mesh upper is durable, lightweight, breathable and hydroponic to help with moisture management if you run through creeks. There is an external cage for a more secure and adaptable fit on the midfoot. Midsole: The super-soft, nitrogen-infused DNA LOFT v3 cushioning is lightweight, responsive, durable and plush for all-day comfort. Strategically raised midsole foam walls cradle your foot and give you more flexibility when you need it going uphill and downhill.Outsole: A wider base and added flex grooves in the outsole give you stable landings and carry you smoothly over uneven ground, while the TrailTack Green outsole gives you plenty of grip on both wet and dry surfaces. Plus, it’s made with at least 25% recycled materials.