Meet the piece that completes your layering system. The Lost River Grid Fleece is a versatile midweight layer built to keep you moving comfortably, from dawn patrol missions to breezy alpine hikes. The breathable grid-fleece construction traps warmth when you need it and releases excess heat when you’re working hard, helping regulate your temperature through changing conditions and shifting effort levels. A trim-fitting hood layers comfortably under a helmet, while thumbhole cuffs convert into cozy hand covers for a little extra warmth when you need it. Soft, stretchy, and made to move, the Lost River Grid Fleece is the layer you’ll reach for season after season, whether it’s worn on its own or as part of your cold-weather kit.