The Marmot Men's Reactor Jacket is a 100 weight fleece for keeping the chill off. Get to the trail head early and hike before the High heat blasts your neck and back. The early morning is quiet, serene and sometimes a little chilly, but this lightweight fleece will tackle the cool air. Zippered pockets prevent Items from getting lost and when you're not on the trail, the cozy fleece still looks great around town. Features of The Marmot Men's Reactor Jacket Polartec power grid fleece Flat lock construction seams Zippered handwarmer pockets Reinforced shoulders Zippered chest pocket Windflap behind center front zipper Elastic bound hem