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The Patagonia Merino 4 ($200) is a great choice for all-day layering in chilly temperature. The soft and stylish Merino 4 is made from 7.8 oz merino wool with a dense jersey-knit face for warmth and comfort. Along with the earthy color combination, this slim fit, full-zip is designed with zippered hand pockets, high doubled collar, clean-finished zipper and overlock seams for a clean look.