What Our Gearhead® Experts Are Saying: "I use the Aerothermal Hooded Jacket when I’m moving hard but still want warmth. The insulation feels like a super-light fleece but breathes way better, so I’m not constantly shedding layers. It’s great under a shell on cold tours and awesome on its own for shoulder-season hikes. The stretch and raglan sleeves make it feel completely unrestrictive." We reach for the Aerothermal Hooded Jacket when we want warmth that can actually keep up with our pace. Built with PrimaLoft Active Evolve insulation, this layer feels soft like a high-loft fleece but breathes so well that we rarely need to stop and vent. Whether we’re skinning uphill, powering through singletrack, or commuting on chilly mornings, it delivers just-right warmth without the bulk. The recycled ripstop shell adds durability without weighing us down, shrugging off trail brushes, pack straps, and enthusiastic pups. Stretchy raglan sleeves keep movement natural, and the elastic-bound hood, cuffs, and hem seal in warmth when the wind picks up. Two zippered hand pockets stash the day’s essentials or warm cold fingers between sends. From active missions to everyday comfort, this is a midlayer we end up wearing all year long.