From summer backpacking in the Colorado high country to winter treks through the desert, the Summit Grid™ Half Zip is your go-to fleece midlayer for any season. Lightweight yet warm, it features a breathable grid fleece design with a half-zip for easy on/off and quick venting when you're on the move. The classic kangaroo pocket keeps hands warm and essentials close — perfect for everything from multi-day routes to weekend trails.