"What Our Gearhead® Experts Are Saying:""This sweater feels substantial without being overly heavy. The 5-gauge knit traps warmth really well, and the merino blend helps regulate temperature if I’m moving between indoors and out. I like the mock neck for extra coverage on cold days—it layers smoothly under a jacket without bunching.""When winter settles in and the air carries a steady chill, we pull on the Westlands Mock Neck Sweatshirt for dependable warmth. Royal Robbins crafts this chunky knit from a merino wool and recycled polyester blend, delivering natural thermoregulation with the durability needed for everyday adventure. The distinctive 5-gauge knit is lofty and insulating, trapping heat while remaining breathable and moisture-wicking. Responsible Wool Standard-certified wool ensures ethical sourcing, while recycled fibers add resilience and easy care. A mock neck design provides added coverage and warmth, layering effortlessly under outerwear. Built for campfire evenings and crisp morning walks, this sweater is a winter staple we rely on season after season."