The Under Armour Stormproof 3.0 is a men's golf jacket built for athletes who refuse to let the weather dictate their round. Featuring UA's industry-leading UA Storm water-repellent treatment combined with a 100% waterproof, 2.5-layer bonded fabric construction with fully taped seams, it delivers serious protection against rain and wind without trapping heat. The stretch fabric moves naturally with your swing, keeping you comfortable and unrestricted from the first tee to the eighteenth hole.
UA Storm is Under Armour's signature water-repellent technology, applied directly to the fabric surface. It causes water to bead up and roll off the outer layer rather than soaking through, keeping you dry even in persistent rain. Crucially, the treatment is engineered not to block the fabric's pores, so moisture vapor from your body can still escape — meaning you stay dry from both the outside and the inside. The Stormproof 3.0 combines this DWR finish with a fully waterproof bonded construction for maximum all-weather reliability.
At the heart of the Stormproof 3.0 is a 2.5-layer bonded fabric construction that is rated 100% waterproof. The layers are fused together rather than stitched independently, creating a single unified shell that water cannot penetrate. All seams are fully taped, eliminating any weak points where rain might seep through stitching. The 10,000 mm hydrostatic head rating and 10,000 g/m²/24h breathability rating confirm it performs at a high level in real-world wet conditions on the course.
Wind chill is one of the most underestimated hazards on the golf course, and the Stormproof 3.0 is built to combat it directly. The outer shell fabric and overall jacket construction are windproof, blocking gusts before they rob your body of warmth and disrupt your focus. This windproof performance works in concert with the waterproofing, so you're protected from combined rain-and-wind conditions that frequently occur during a round. The result is a jacket that functions as a true all-weather shield, not just a light rain repeller.
Unlike rigid waterproof shells that restrict movement, the Stormproof 3.0 is constructed from a 4-way stretch fabric that moves with you in every direction — forward, backward, and side to side. This is essential for golf, where a full, uninhibited swing is critical to performance. The stretch construction also helps the jacket conform to your body as you move rather than bunching or pulling, keeping it comfortable throughout 18 holes. The fit is optimized specifically for the rotational demands of the golf swing.
The Stormproof 3.0 features an adjustable bottom hem and adjustable cuffs, allowing you to fine-tune the fit and close off entry points for wind and rain. Cinching the hem creates a seal at the waist to prevent cold air or water from getting underneath the jacket during play. Adjustable cuffs let you dial in the fit around your wrists, preventing rain from running down your arms and into your glove hand. These details elevate the jacket from a basic shell to a properly fitted piece of performance golf apparel.
The Stormproof 3.0 uses a fluorine-free durable water repellent (DWR) treatment on its outer surface. Traditional DWR treatments have historically relied on per- and polyfluoroalkyl substances (PFAS), which are persistent environmental pollutants. Under Armour's switch to a fluorine-free formula delivers effective water repellency while reducing the environmental footprint of the product. This makes the Stormproof 3.0 a more responsible choice for golfers who care about both their performance on the course and the world off it.
| Specification | Detail |
|---|---|
| Product Code | 1378822-600 |
| Colorway | Dark Maroon / Mod Gray |
| Gender | Men's |
| Material | 100% Polyester |
| Waterproof Rating | 10,000 mm (10k) |
| Breathability Rating | 10,000 g/m²/24h (10k) |
| Fabric Construction | 2.5-layer bonded with fully taped seams |
| Water Repellent Treatment | Fluorine-free DWR |
| Stretch | 4-way stretch |
| Pockets | Secure zip hand pockets |
| Hem | Adjustable |
| Cuffs | Adjustable |
| Available Sizes | M, L, XL, XXL |
| Size | XS | S | M | L | XL | XXL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|---|
| Chest (cm) | 76–81 | 86–92 | 96–102 | 106–112 | 116–122 | 127–132 | 137–142 | 147–153 |
| Waist (cm) | 67–70 | 72–76 | 80–85 | 89–94 | 99–104 | 109–116 | 121–127 | 132–138 |
| Hips (cm) | 81–84 | 86–90 | 94–98 | 102–107 | 112–117 | 122–127 | 132–137 | 142–147 |
Size guide values are approximate. Source: underarmour.com size chart.
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