Helly Hansen Mens Koster Sweat Half-Zip Sweatshirt

The Men's Koster Sweat Half-Zip combines understated sophistication with everyday comfort.

Built from a premium cotton-blend fabric with a refined technical finish, it delivers both durability and a luxurious feel. The half-zip design makes layering effortless across seasons, while ribbed details and a YKK® zipper ensure lasting quality. Perfect for both marine and urban settings, this sweatshirt transitions seamlessly from casual to polished.