For those facing the harshest conditions, the OS1 system is your armour against the unpredictable. Engineered to withstand the rigors of the open ocean, this pinnacle of technical apparel ensures you stay dry, warm, and focused, regardless of the conditions.
Shop the System
Made for sailors facing the toughest Ocean conditions imaginable.
Build Your System
Fabric Technology
Constructed with XPLORE+® 3-layer fabric. This advanced material ensures a fully waterproof and breathable barrier, keeping you shielded from the harshest elements while allowing your body to breathe. No compromise, just exceptional protection.
Rigorously tested the OS1 fabric not only meets but exceeds waterproof standards. It emerges unscathed, ensuring that you stay dry and comfortable, regardless of the weather conditions you face.
Rigorously tested the OS1 fabric not only meets but exceeds waterproof standards. It emerges unscathed, ensuring that you stay dry and comfortable, regardless of the weather conditions you face.
![[hover][full]](http://gb.gillmarine.com/cdn/shop/files/OS13J-GRA16PRODUCTGALLERY6.jpg?v=1772470958&width=2100)
![[hover][full]](http://gb.gillmarine.com/cdn/shop/files/OS13J-GRA16PRODUCTGALLERY6.jpg?v=1772470958&width=1500)
You may also like
Icons
The Gill Icons have been cornerstones of the Gill range, worn across all corners of the globe for decades. Engineered to serve sailors, race teams & adventurers during regattas and expeditions worldwide. Utilising innovative design procedures, world class testing methods & insight from sailors globally.
Protection from the elements since 1975
We've sailed through decades of expertise in designing and developing sailing gear. Protecting sailors and adventurers from the elements whilst on the water for 50 years.
Sailing News & Adventures
Read more from those who push themselves and our gear to the limit. From offshore explorations and UK circumnavigation stories to gear deep-dives and interviews with notable sailors.
