The Boundary Mock Neck Half Zip Fleece Sweatshirt by Billabong is a reliable choice for comfort and style in the great outdoors. With long sleeves and a mock neck, it's crafted from a 70% recycled polyester and 30% polyester blend polar fleece, ensuring both warmth and sustainability. This navy sweatshirt features a zip closure at the chest pocket and elastic bungee cinch closure at the waistband. Care for this patterned streetwear find with ease-simply machine wash. Perfect for winter vacation adventures.