New without box Brooks size 5 Caldera 6 sneakers The Caldera 6 provides support for trail runners ready to run far with supremely soft cushioning and trusted traction for a fully distraction-free run. SUPREME SOFTNESS: Now featuring nitrogen-infused DNA LOFT v3, our softest cushioning optimized to be lightweight, plush, and responsive. COMFORTABLY SECURE FIT: An internal midfoot saddle holds the foot securely without sacrificing breathability to ensure stability over any terrain. HIGHLY BREATHABILITY: All new, quick drying, lightweight air mesh upper that offers enhanced breathability. STABLE RIDE: The foot sits securely within raised midsole foam walls, while the widened base and split heel outsole work to stabilize your landings and carry you smoothly over uneven terrain.