3D Fit Print over the uppers provides additional structure and durability without compromising breathability Internal midfoot saddles hold your feet securely without sacrificing breathability or comfort, thanks to the lightweight and quick-drying air-mesh uppers Lace keepers stow the laces out of the way Front and back attachment points make it easy to secure gaiters (not included) Raised midsole foam walls hold your feet securely for a stable ride Nitrogen-infused DNA LOFT v3, the softest cushioning offered by Brooks, is optimized to be lightweight, responsive and durable TPU toe caps enhance protection on the trail Wide bases and split-heel outsoles help stabilize your landings and carry you smoothly over uneven terrain TrailTack rubber outsoles offer traction on both wet and dry surfaces