Description of Outdoor Research Logic Jacket The Logic offers a solution to the majority of conditions you’ll face above tree line. Ample stretch and excellent moisture management keep you moving through the steeps. A fleece-like interior provides enough insulation for breaks in sub-freezing temps. Features: Double-weave, stretch soft shell fabric; nylon face, brushed polyester interior Drawcord collar adjustment Double-separating front zipper Zippered napoleon pocket with media port Two zippered hand pockets Dual drawcord hem adjustments Avg. weight: 18.9 oz./536 g (size L)