Built for the worst of it, the Gill OS1 Ocean Jacket is the offshore shell you put on when the forecast turns serious. This latest evolution of the OS1 is engineered for ocean racing and long passages, using XPLORE+® 3-layer fabric for dependable waterproof, windproof protection with breathable comfort and long-term durability.
Tested and trusted by Vendée Globe skipper Louis Burton, the OS1 Ocean Jacket combines proven offshore design with smart updates that matter at sea: an ocean-height collar with a stowable Face Guard, a hi-vis, fully adjustable hood, and photoluminescent safety reflectors for 360° visibility when light drops and conditions build.
Warmth and comfort are built in where you need it too, with a thermal brushed-mesh inner collar, wind-blocking adjustments, and hand warmer pockets for watch changes and cold transits. Tough abrasion-resistant panels help the jacket stand up to deck work, harnesses and repeated wear — making it a true offshore essential.
Ideal for: Ocean sailing, offshore racing, professional and serious offshore use
Technology: XPLORE+® 3-layer waterproof & breathable fabric with fully taped seams and Nikwax® Direct.Dry PFAS-free water repellent finish
Key features:
- XPLORE+® 3-layer outer shell – waterproof, breathable and windproof protection
- Fully taped seams for maximum weather sealing
- Nikwax® Direct.Dry PFAS-free water repellent finish
- Ocean-height collar with stowable Face Guard for added protection and comfort
- Thermal brushed-mesh inner collar and soft chin guard
- Packable hi-vis hood with volume adjustment for secure coverage in heavy weather
- Photoluminescent safety reflectors for 360° visibility in low-light conditions
- Abrasion-resistant panels to protect against wear and tear on long passages
- Deep cargo pockets with secure closure, plus hand warmer pockets behind
- Chest hand warmer pockets for quick warmth on deck
- Security pocket with YKK Aquaguard® water-resistant zip
- Internal waist adjustment to seal out wind and spray
- Adjustable shockcord hem for a locked-in fit
- Shackle tool included inside the cargo pocket
Gill Men’s Size Guide
All Gill men’s products are designed to offer a technical, performance fit. Use the guide below to find the size that’s right for you. If you are between sizes and layering for offshore sailing, we recommend sizing up.
| Size | XS | S | M | MT | L | XL | XLT | XXL | XXXL | XXXXL |
|---|---|---|---|---|---|---|---|---|---|---|
| Average Height | 5’2″–5’4″ (158–163cm) | 5’4″–5’7″ (163–170cm) | 5’7″–5’10″ (170–178cm) | 6’2″–6’3″ (188–191cm) | 5’10″–6’1″ (178–186cm) | 6’1″–6’2″ (186–188cm) | 6’3″–6’5″ (193–197cm) | 6’2″–6’3″ (188–191cm) | 6’2″–6’3″ (188–191cm) | 6’2″–6’3″ (188–191cm) |
| Chest | 34″–36″ (87–92cm) | 36″–38″ (92–97cm) | 38″–40″ (97–102cm) | 38″–40″ (97–102cm) | 41″–43″ (104–109cm) | 44″–46″ (112–119cm) | 44″–46″ (112–119cm) | 47″–49″ (120–125cm) | 50″–52″ (127–132cm) | 55″–58″ (140–148cm) |
| Waist | 28″ (71cm) | 29″–30″ (74–76cm) | 31″–33″ (79–84cm) | 31″–33″ (79–84cm) | 34″–37″ (87–94cm) | 38″–40″ (97–102cm) | 38″–40″ (97–102cm) | 41″–43″ (104–109cm) | 44″–45″ (112–115cm) | 49″–52″ (125–132cm) |
All metric measurements are in centimetres and have been rounded to the nearest 0.5cm.
You may also like
Henri Lloyd Elite Sailing Dry Top Smock 2024 - Black£575.00£517.50
Henri Lloyd Elite Sailing Dry Top Smock 2024 - Power Orange£575.00£517.50
Gill OS1 Offshore Sailing Jacket - Graphite OS13J£545.00£320.00
Henri Lloyd Elite Sailing Jacket 2024 - Power Orange£750.00£675.00
Henri Lloyd Elite Sailing Jacket 2024 - Black£750.00£675.00
Henri Lloyd Biscay Offshore Jacket 2024 - Red£324.95£292.46
