The day is cold, but you're up and out early, heading up the trail with a spring in your step. The FROSTY MORNING is a simple weatherproof shell jacket designed for winter hiking. The jacket is waterproof, windproof and warm - exactly what you need when you're out on the trail in winter weather. For this jacket, we've teamed a robust TEXAPORE shell fabric with recycled MICROGUARD synthetic fibre insulation. Bring on the winter!.