The Under Armour Storm Daytona Half-Zip is the one mid-layer you can wear all day long without constantly removing and putting it back on. Fabricated from a unique hybrid construction that pairs breathable insulation with lightweight smooth spacer fabric, it keeps you warm when the temperature drops and releases excess heat as conditions change. The generous half-zip opening makes layering effortless, whether you’re heading out for an early morning round or finishing a cool-evening workout. Available in bold Red Solstice with Castlerock contrast detailing, it delivers both on-course performance and off-course versatility.
UA Storm is Under Armour’s signature water-repellent finish applied directly to the fabric. Unlike a separate waterproof membrane, UA Storm works with the underlying textile to bead water off the surface while still allowing moisture vapour and excess heat to escape. The result is a garment that stays dry and breathable in light showers and drizzle — ideal for unpredictable course weather. The finish is integrated into the polyester-elastane blend so it does not affect the hand feel or stretch of the fabric.
The body of the Storm Daytona HZ uses a lightweight smooth spacer fabric strategically placed through the sleeves, back and centre body. This spacer construction traps a thin layer of warm air close to the body, providing thermal efficiency without the bulk of traditional fleece. The open-mesh structure of spacer fabric allows air to circulate, preventing overheating during higher-intensity play. It is this balance of warmth and breathability that makes the garment an ideal mid-layer or standalone cover-up across a wide range of temperatures.
Strategically placed woven fabric overlays on the front panels create a structured barrier against wind, significantly reducing wind chill on exposed areas. These overlays are backed with Under Armour’s Armor Fleece® lining — a brushed-interior construction that adds a layer of soft warmth directly against the skin without adding noticeable weight. The combination of a smooth, wind-resistant outer face and a warm fleece interior makes the front panels the thermal core of the garment, protecting the chest and torso even in blustery conditions.
Under Armour designed the Storm Daytona HZ with a loose, fuller cut to ensure complete freedom of movement during the golf swing or any athletic activity. The 9% elastane content works alongside the polyester to give the fabric a four-way stretch character, so even when layered over a base layer and polo, the sweatshirt moves naturally with the body. Ribbed elastic cuffs at the wrists lock the sleeves in position, preventing them from riding up during the backswing or follow-through. The ½ zip at the front allows rapid ventilation or removal without fuss when the weather warms up mid-round.
| Product Name | Under Armour Storm Daytona Men’s Half-Zip Sweatshirt |
|---|---|
| Style Code | 1379723-814 |
| Colour | Red Solstice / Castlerock |
| Intended Use | Men’s |
| Fit | Loose |
| Closure | ½ zip |
| Composition | 91% polyester, 9% elastane |
| Technology | UA Storm water-repellent finish, Armor Fleece® lining |
| Available Sizes | S, M, L, XL, XXL |
| Size | XS | S | M | L | XL | XXL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|---|
| Chest circumference (cm) | 76–81 | 86–92 | 96–102 | 106–112 | 116–122 | 127–132 | 137–142 | 147–153 |
| Waist circumference (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.
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