"What Our Gearhead® Experts Are Saying: ""I’ve been wearing the Boundary Mock Neck on chilly mornings, and the throwback fit is super comfortable. The Furnace Fleece is warm without feeling heavy, and the bungee hem lets me dial in the shape. The chest zip pocket is clutch for keeping my phone secure, and overall it’s just one of those easy layers I end up grabbing constantly."" We reach for the Billabong Boundary Mock Neck Zip Jacket when we want retro-inspired comfort with modern functionality. Made from 100% recycled Furnace Fleece, this layer delivers soft warmth in a slightly oversized, throwback fit that feels right at home on crisp mornings and laid-back weekends. The mock neck adds cozy coverage, while the bungee waistband lets us adjust the silhouette depending on the day. Elasticized cuffs seal in heat, and the combination of hand pockets plus a secure zippered chest pocket keeps essentials organized whether we’re wandering through town or unwinding after a long day outside. Comfortable, nostalgic, and ready for everyday wear, the Boundary Mock Neck Jacket is a fleece we find ourselves pulling on again and again."