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When you transition from the relative shelter of the harbour to the open coast, your gear requirements change instantly. You need equipment that can handle persistent spray, biting winds, and the physical demands of active sailing. In our latest 2026 sailing kit review, we take an in-depth look at the Gill Sailing Jacket, specifically the Gill OS3 Coastal model. Designed to be the versatile middle ground between lightweight inshore gear and heavy-duty ocean kit, this Gill Sailing Jacket offers the perfect balance of warmth and mobility. Whether you are a weekend cruiser or a coastal racer, the Gill Sailing Jacket is an essential piece of protection for anyone heading out into the swells this season.
At Sailing Chandlery, we understand that a Sailing Jacket is more than just a waterproof layer; it is your primary defence against the elements. The 2026 Gill OS3 range has been refined with technical fabrics that provide superior waterproofing while remaining breathable. In this guide, we will use the insights from our product video to break down the specific features that make this Gill Sailing Jacket a top performer. From the reinforced hem to the fleece-lined comfort zones, every detail of the Gill Sailing Jacket is engineered to keep you on the water for longer.
The first thing you notice about the Gill Sailing Jacket when compared to lighter inshore alternatives is the weight and texture. It is a slightly heavier, thicker garment, which is exactly what you want when the wind picks up offshore. This Gill Sailing Jacket is built to trap heat while creating a completely impermeable barrier against salt water and the wind.
One of the most critical areas for any Gill Sailing Jacket is the wrist seal. The OS3 model features a dual-layer adjustment system. The inner cuff is made from a fluorescent waterproof material with its own Velcro closure, while the outer sleeve of the Gill Sailing Jacket has a second Velcro strap. This allows you to create a drum-tight seal around your wrists, or even tuck your gloves under the outer layer to ensure no water travels up your arms during a heavy gust.
Sailing in coastal waters often means cold hands, and the Gill Sailing Jacket addresses this with multiple fleece-lined zones. On the chest, you will find two high-access pockets secured with Velcro. These are lined with a soft, warm material, providing a quick place to thaw out your fingers between manoeuvres.
Further down the Gill Sailing Jacket, there are two large cargo pockets. These feature a significant overlap on the flap, making it incredibly difficult for water to find its way inside. Behind these storage pockets, the Gill Sailing Jacket includes a second set of "hand-warmer" side-entry pockets. These are also fleece-lined, allowing you to keep your hands warm without having to remove your stored items from the main compartments. This dual-pocket system is a hallmark of a well-designed Gill Sailing Jacket.
Protection for your head and neck is where this Gill Sailing Jacket truly shines. The collar is lined with fleece and sits very high, allowing you to tuck your chin away from the spray. The hood itself is a bright, high-visibility yellow, which is a vital safety feature for any Gill Sailing Jacket.
Hardened Peak: The hood of the Gill Sailing Jacket features a stiffened rim that ensures water drips off the front rather than running down your face.
Full Adjustability: Using shock cords and push-button toggles, you can pull the hood of the Gill Sailing Jacket tight around your head.
Velcro Volume Adjuster: A strap on the back of the hood allows you to pull the peak back, ensuring it doesn't drop over your eyes while you are working.
Stowable Design: When the sun comes out, the hood rolls away into the collar of the Gill Sailing Jacket, secured by discreet Velcro tabs.
Opening the high-quality YKK two-way zipper reveals the technical interior of the Gill coastal coat. The two-way zip is a fantastic feature, as it allows you to open the Gill coastal coat from the bottom to access your harness or to sit more comfortably on the deck. Inside, the Gill coastal coat is lined with a breathable mesh that helps move moisture away from your body.
A unique feature found in the 2026 Gill coastal coat is the "printing zipper." This discreet internal zip allows you to access the back panel of the Gill coastal coat so you can add a boat name or company logo without puncturing the waterproof membrane. There is also a small internal security pocket for your most valuable items. To ensure longevity, the bottom hem of the Gill coastal coat is reinforced with a durable material that can withstand the constant shuffling and sitting on abrasive non-slip decks.
We stock the full range of Gill apparel because we trust the brand's heritage and technical innovation. When you purchase a Gill coastal coat from us, you get the benefit of our direct testing and class knowledge. The OS3 is a professional-grade Gill coastal coat that offers incredible value for the coastal sailor. It is built to last, designed for comfort, and packed with safety features. Visit our collection today to find your new Gill coastal coat in either vibrant red or classic black.
Perfect Sizing: The OS3 is a generous fit, designed to accommodate base layers. We can help you choose the right Gill coastal coat size for your specific sailing style.
UK Stock: Every Gill coastal coat shown as "in stock" is ready for immediate dispatch from our warehouse.
Fast Shipping: We understand that your next coastal adventure is just around the corner. We offer rapid delivery on every Gill coastal coat order.
The Sweet Finish: Don't forget, every Gill coastal coat we ship includes a complimentary pack of Love Hearts!
🔹 Sailing Salopettes & Trousers: Complete your coastal kit. Pair your new Gill Sailing Jacket with a pair of heavy-duty Salopettes for total waterproof protection from head to toe.
🔹 Mid-Layers & Fleeces: Maximise the warmth of your Gill coastal coat. Explore our range of breathable mid-layers that fit perfectly under the generous cut of the OS3 jacket.
🔹 Sailing Gloves: Protect your hands while staying warm. Our selection of winter and summer sailing gloves provides the grip you need to match the performance of your Gill Sailing Jacket.
