Helly Hansen Mens Koster Sweat 1/2 Zip Navy

Presented in a versatile Navy colourway with a contrasting off-white panel across the chest, the Helly Hansen Koster Sweat 1/2 Zip brings a fresh, nautical-inspired feel to everyday casual dressing. The bold colour-block construction gives this sweatshirt a distinctive appearance while retaining the clean, understated aesthetic associated with Helly Hansen.

A practical half-zip fastening allows the neckline to be adjusted depending on the temperature or occasion. Wear it fully zipped for a neat, streamlined look with additional coverage around the neck, or leave the zip partially open for a more relaxed finish. The raised stand collar further enhances its smart appearance and makes the Koster a useful option during cooler weather.

Contrast detailing around the zip works neatly with the lighter chest panel, while a small HH logo provides subtle, instantly recognisable branding. Long sleeves and cleanly finished cuffs complete the uncomplicated silhouette, giving the sweatshirt a polished appearance that can easily move beyond purely casual outfits.

Its versatile construction makes the Koster particularly useful during transitional weather. Wear it as a standalone layer over a T-shirt on milder days, then add a gilet, lightweight jacket or coat as temperatures fall. The half-zip neckline also makes temperature regulation easy when moving between indoor and outdoor settings.

For relaxed weekends, pair the Koster with dark denim and trainers, or combine it with chinos and casual shoes for a smarter outfit. The Navy and off-white palette works especially well with stone, beige, grey and denim, making this an easy piece to coordinate with an existing wardrobe.

Balancing distinctive colour blocking with an uncomplicated silhouette, the Helly Hansen Koster Sweat 1/2 Zip is a versatile choice for everyday wear, travelling, weekends away and smart-casual occasions.

• Navy colourway
• Contrasting off-white chest panel
• Colour-block design
• Half-zip fastening
• High stand collar
• Contrast zip detailing
• Long sleeves
• Small HH chest logo
• Clean, streamlined silhouette
• Suitable for standalone or layered wear
• Smart-casual and everyday styling
• Manufacturer Code: 54590 598