For Static Activities in Icy Conditions
Built for freezing conditions with minimal movement, the Delta OL 4.0 keeps you warm, dry, and fully operational, no matter if it’s snow, slush, or icy winds.
Explore the Delta OL 4.0 Jacket
Material Construction
Materials That Withstand the Coldest Missions
Hood/Harness® System
Maintain Clear Vision in Snowy Conditions
Ventilation
Control Your Body Temperature
Cold-Weather Adaptation System
Smart Features for Freezing Ops
Pocket Configuration
Functional and Accessible Storage
Folds Nicely in Itself
When not in use, the hood folds compactly, maintaining a clean profile without adding bulk or interfering with head movement.
2x Hand Pocket
2x Inside Pocket
2x Lower-Arm Pocket
2x Upper-Arm Pocket
2x Pen Pocket
Frequently Asked Questions
When stationary or minimally active, Delta OL 4.0 Tactical Winter Jacket keeps you comfortable down to 0°C. For temperatures down to −15°C, wear it together with Delta OL 4.0 Tactical Winter Pants and appropriate base layers.
Delta OL 4.0 Tactical Winter Jacket is windproof and water-repellent. It will keep you dry in light rain and snow, but it is not fully waterproof. For heavy rain, we recommend Monsoon Rain Gear.
Delta OL 4.0 Tactical Winter Jacket uses G-LOFT®, a non-woven 100% polyester insulation that provides warmth, breathability, and reliable performance even in wet conditions.
Yes. Follow the laundering instructions on the care label inside the garment. Line drying is recommended.
Yes. Wearing proper clothing layers can make the difference between getting soaked and freezing or staying comfortable during a mission. Layering is especially important in extreme outdoor conditions such as icy winter weather. You can read more about layering here.
OL stands for Outer Layer.
Product Specification
Our Hybrid/Design approach places specific materials where they perform best. This ensures the right balance of durability, mobility, and comfort.
Face fabric:
- 2-layer laminate
- 100% polyamide
- breathable PU membrane
Insulation:
- 100% polyester 145 g/m2 G-LOFT® (torso)
- 100% polyester 110 g/m2 G-LOFT® (sleeves)
Lining:
- 100% polyamide
- 100% 37.5® polyester (collar, hood)
Other:
- 100% polyamide CORDURA® (sleeves, lower back)
- Lightweight G-LOFT® insulation helps retain body heat in cold conditions.
- Water-repellent outer material helps protect against light rain and moisture.
- 100% waterproof hood provides additional protection in wet weather.
- Windproof outer material helps block cold air in exposed conditions.
- CORDURA® reinforcement in high-wear areas improves durability in demanding conditions.
- The detachable powder skirt helps prevent snow from entering from below.
- Wrist warmers with watch-access openings add comfort and coverage in cold conditions.
- Fleece-lined collar increases comfort in cold conditions.
- Fleece-lined hood adds warmth and comfort in cold conditions.
UF PRO Hood/Harness® system keeps the hood in place and follows head movement for a clear field of view.
- Breathable face fabric helps release excess heat and moisture.
- Side ventilation openings with smooth-gliding YKK® VISLON® zippers allow fast heat release when needed.
- The hem width can be adjusted with an elastic cord.
- The collar width can be adjusted with an elastic cord.
- The cuff width can be adjusted with a hook-and-loop closure.
- The hood width can be adjusted with an elastic cord.
- The hood can be folded into the collar when not in use.
- 2x Hand pocket with fleece lining and zipper closure
- 2x Inside pocket with zipper closure
- 2x Lower-arm pocket with zipper closure
- 2x Upper-arm pocket with zipper closure and hook-and-loop area
- 2x Pen pocket integrated into the hook-and-loop area
1,40 kg (size L)
Our Hybrid/Design approach places specific materials where they perform best. This ensures the right balance of durability, mobility, and comfort.
Face fabric:
- 2-layer laminate
- 100% polyamide
- breathable PU membrane
Insulation:
- 100% polyester 145 g/m2 G-LOFT® (torso)
- 100% polyester 110 g/m2 G-LOFT® (sleeves)
Lining:
- 100% polyamide
- 100% 37.5® polyester (collar, hood)
Other:
- 100% polyamide CORDURA® (sleeves, lower back)
- Lightweight G-LOFT® insulation helps retain body heat in cold conditions.
- Water-repellent outer material helps protect against light rain and moisture.
- 100% waterproof hood provides additional protection in wet weather.
- Windproof outer material helps block cold air in exposed conditions.
- CORDURA® reinforcement in high-wear areas improves durability in demanding conditions.
- The detachable powder skirt helps prevent snow from entering from below.
- Wrist warmers with watch-access openings add comfort and coverage in cold conditions.
- Fleece-lined collar increases comfort in cold conditions.
- Fleece-lined hood adds warmth and comfort in cold conditions.
UF PRO Hood/Harness® system keeps the hood in place and follows head movement for a clear field of view.
- Breathable face fabric helps release excess heat and moisture.
- Side ventilation openings with smooth-gliding YKK® VISLON® zippers allow fast heat release when needed.
- The hem width can be adjusted with an elastic cord.
- The collar width can be adjusted with an elastic cord.
- The cuff width can be adjusted with a hook-and-loop closure.
- The hood width can be adjusted with an elastic cord.
- The hood can be folded into the collar when not in use.
- 2x Hand pocket with fleece lining and zipper closure
- 2x Inside pocket with zipper closure
- 2x Lower-arm pocket with zipper closure
- 2x Upper-arm pocket with zipper closure and hook-and-loop area
- 2x Pen pocket integrated into the hook-and-loop area
1,40 kg (size L)
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