We like to step up our fleece game with the Sierra Designs Cold Canyon Hoodie. The grid fleece pattern collects pockets of warm air to keep us insulated in the cold while also releasing excess heat and moisture when our body temperatures spike during high-exertion activities. The nylon panels in front address fleece&';s Achilles heel-wind-with an internal windbreaking layer while the integrated thumbholes make it easier to layer under a shell in our cold-weather laying system. Details Sierra Designs&'; best zip-up fleece for everyday Heavy-weight fleece holds in warm air for insulation Grid-fleece pattern also facilitates breathability Stretch fleece and fitted hood keep things streamlined Internal nylon windbreaker panel in front to cut the wind Zippered chest and hand pockets to store small items