The Under Armour Storm Daytona is a men's half-zip sweatshirt built for layering, designed around a unique fabric construction that adapts to your body temperature so you stay comfortable from the first tee to the final hole. Whether the morning starts cool and the afternoon heats up, this versatile mid-layer handles changing conditions with ease — keeping you warm when you need it and venting excess heat when you don't. With UA Storm water-repellent technology, Armour Fleece® lining, and strategic woven overlays, it delivers serious weather protection without sacrificing breathability or freedom of movement.
UA Storm is Under Armour's proprietary water-repellent finish applied directly to the fabric. It causes water to bead up and roll off the surface rather than soaking in, keeping you dry during light rain and damp conditions on the course. Crucially, the finish does not compromise breathability — sweat vapour still escapes freely, preventing the clammy, overheated feeling common in traditional waterproof fabrics. This makes the Storm Daytona an excellent choice for unpredictable weather without needing a bulky rain jacket.
The body of the Storm Daytona is constructed with lightweight, smooth spacer fabric through the sleeves, back, and centre body. This breathable insulation traps just the right amount of warmth without adding unnecessary bulk, making it ideal as a standalone mid-layer or a cover-up over a performance base layer. The spacer construction allows the fabric to flex naturally with your body, so your swing mechanics remain unrestricted throughout the round.
Woven overlay panels are positioned strategically on the front of the garment to block cold wind exactly where your body needs it most. Behind these overlays sits an Armour Fleece® lining that traps warm air close to the body, adding a significant boost of comfort during cold mornings or breezy rounds. The combination of a tough woven exterior and a soft fleece interior gives you the best of both worlds — robust weather protection on the outside, cosy warmth on the inside.
The generous half-zip front opening makes this sweatshirt exceptionally easy to pull on and off over other layers without disturbing your collar or base layer. You can quickly vent the top during a warm uphill walk, then zip back up to full insulation on the next exposed hole. The ribbed elastic cuffs at the wrists seal in warmth and ensure the sleeves stay exactly where you put them — an important detail for golfers who need their sleeves out of the way at the moment of impact.
| Composition | 91% Polyester, 9% Elastane |
| Fit | Loose (fuller cut for complete comfort) |
| Closure | 1/2 zip front |
| Water Resistance | UA Storm technology (water-repellent finish) |
| Intended Use | Golf / Outdoor layering |
| Gender | Men's |
| Color | Gray (044) |
| Available Sizes | M, L (further sizes: XS – 4XL) |
| 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 chart values are indicative only. Source: underarmour.com.
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