If you are reading this, you are probably standing with a stuck umbrella, a little frustrated, and maybe late for something. I have been there. Under Armour’s golf umbrellas are built well, but they can jam just like any other umbrella. The good news is that most causes are fixable at home without special tools.
The main reasons your umbrella will not open are: a runner that is stuck on the shaft, a spring that broke loose from the hub, a bent rib joint that prevents the canopy from spreading, or debris blocking the opening slide. Let us walk through each one step by step.
How the Dual Action Opening Works
To diagnose the problem, you need to understand what is happening inside the shaft. Under Armour uses a “dual action” system. That means you have to push the runner up in two separate motions.
First, you slide it partway up the shaft until you feel a click. Then you push it the rest of the way to lock the canopy open. This is different from fully automatic umbrellas that spring open with one button press. If you are trying to shove the runner all the way in one go, you might be fighting the mechanism.
Inside the shaft, a coiled tension spring stores energy. One end of that spring hooks into a plastic or metal hub near the handle. The other end attaches to the runner. When the runner moves up, the spring stretches and creates tension to hold the canopy open.
If the spring slips off its anchor point, the runner has nothing to push against, and the umbrella will not lock open or will only open partway.
The ribs are the thin metal or fiberglass sticks that hold the canopy. They connect to the runner and to the canopy edge. If one rib is bent, it can keep the entire frame from expanding.
Before You Start: Safety First
Warning: Umbrella springs store a lot of energy. If you force something that is jammed, the metal parts can snap and hit you in the face. Always wear safety glasses or at least keep your face away from the umbrella.
Work on a flat surface, not on your lap. If you feel too much resistance, stop and consider professional repair or replacement.
Diagnostic Steps: Find Out What Is Wrong
1. Check the runner movement
Hold the umbrella by the handle and try to slide the runner (the plastic piece that moves along the shaft) with your other hand. Does it move freely? If it does not slide at all, something is blocking it. If it slides partway and then stops, you likely have a jammed spring or debris inside.
2. Try the “vertical pressure test”
Place the umbrella upright on the floor, handle down. Push down on the top of the canopy with one hand while sliding the runner up with the other. The extra downward pressure can sometimes free a runner that is stuck on a tiny burr or bit of grit. Do not use excessive force – if it does not free up, move to the next step.
3. Inspect the ribs
Open the umbrella as far as it will go (even if only partly open). Look at each rib. Is any rib bent at an angle different from the others? A bent rib can lock the whole frame. Also check the small joints where the rib connects to the runner and to the canopy – these joints can pop apart.
4. Feel for debris
Run your finger along the shaft groove (if your model has one). Sometimes a piece of leaf, sand, or a small stone gets lodged inside the channel where the runner slides. This is especially common after using the umbrella at the beach or near a dusty golf course.
How to Fix Each Problem
Runner stuck on the shaft
If the runner is simply jammed by grit, you can try a dry lubricant. Do not use WD-40 – it attracts dust and will make the problem worse over time. Instead, spray a silicone-based dry lubricant into the runner channel. Let it sit for 30 seconds, then work the runner back and forth gently.
If the runner is stuck because of a rough burr on the metal shaft, you can smooth it with fine sandpaper (400 grit). Wrap the sandpaper around the shaft where the burr is and gently sand until smooth. Then wipe away the metal dust and lubricate.
Spring detached from the hub
This is the most common serious failure. You will feel no tension when you try to slide the runner. The spring is still inside the shaft but has popped off its anchor.
To fix it, you need to open the umbrella handle. On most Under Armour models, the handle unscrews (grip firmly and turn counter-clockwise). Some handles are glued; if so, you cannot fix it easily and should contact Under Armour.
After unscrewing the handle, you will see the bottom of the spring. Look for a small hook at the end of the spring that should be looped around a peg or a slot inside the handle. If it is loose, hook it back onto the peg.
This can be tricky – use pliers to bend the hook slightly if needed. Once hooked, reassemble the handle and test.
Bent rib joint
If you find a bent rib, you can try to straighten it with your fingers or with pliers. Be gentle – fiberglass ribs can snap. If the rib is cracked or broken, you will need to replace it. Replacement ribs are not widely sold separately, so you may be better off buying a new umbrella.
Blocked opening slide
Some Under Armour umbrellas have a small button or latch near the handle that releases the runner. If this latch is stuck from dirt or corrosion, clean it with a brush and apply dry lubricant. Test the latch a few times before trying to open the umbrella.
Prevention: Keep It Working Longer
Under Armour uses a water-repellent coating called Storm1 on the canopy. That coating sheds water well, but moisture can still sneak in through seams and travel down the shaft.
Over time, moisture inside the shaft can rust the spring or swell the runner material. Always dry your umbrella completely before closing it. Open it fully after a rain and let it air out for a few hours.
Store the umbrella in a cool, dry place – not in a hot car trunk. Heat can warp plastic parts. Also avoid leaving it in direct sunlight for days. The nylon canopy might not fade, but the plastic components become brittle.
Should You Repair or Replace?
If the repair requires opening a glued handle or replacing a broken rib, it might not be worth the trouble. Under Armour golf umbrellas cost around $40 to $70. A professional repair shop might charge $25 to $40 just for labor.
Unless you have the skills and tools, replacement is often the smarter move – and you get a fresh warranty.
If the umbrella is still under warranty (Under Armour offers a limited lifetime warranty against manufacturing defects), contact their customer service. They may replace it for free. Be ready to describe the failure and provide proof of purchase if you have it.
The warranty does not cover damage from misuse, abuse, or normal wear, but a jammed spring or broken runner is usually a manufacturing defect.
Frequently Asked Questions
Does opening my Under Armour umbrella in strong wind break the mechanism?
Yes, strong wind can invert the canopy. That puts sudden force on the ribs and can bend or snap them. The mechanism itself (spring and runner) usually survives, but if the ribs are bent, the umbrella will not open fully. Avoid using it in heavy wind – a 62‑inch canopy catches a lot of air.
Can I use WD‑40 on the runner shaft?
No. WD‑40 is a solvent and a temporary lubricant that attracts dust and grit. After a few openings, the residue becomes sticky and makes the runner jam worse. Use only a dry silicone‑based lubricant for umbrella mechanisms.
Why does my umbrella open partially but stop halfway?
That usually means the runner is blocked by debris or a burr, or the spring is partially detached. If it stops at the same spot every time, inspect that area of the shaft for a rough spot. If it stops at different heights, the spring hook is likely loose and catching on internal parts.
Will Under Armour repair my umbrella if I mail it back?
Under Armour does not offer a mail‑in repair service for umbrellas. Their warranty process usually involves sending you a replacement or a store credit after you file a claim. Check the Under Armour website for your region’s customer service contact.
Is the nylon canopy tear a structural failure or cosmetic only?
A small tear near the edge is cosmetic and will not prevent opening. But a tear at the tip where the rib attaches can cause the rib to pop out and block the opening system. If you see a rib poking through the canopy, stop using the umbrella.
How long should a golf umbrella from Under Armour realistically last?
With normal care (drying after rain, storing out of heat), these umbrellas last 2 to 4 years. The spring and runner can wear out after about 1,000 open‑close cycles. If you use it daily during rainy season, expect 1 to 2 years.
Can I convert my umbrella to manual operation if the dual‑action mechanism breaks?
Technically, you can remove the spring and use the umbrella as a fully manual one. You would push the runner up by hand and lock it into a notch (if your umbrella has that feature).
However, many Under Armour models do not have a locking notch – they rely on the spring tension to hold the canopy open. Without the spring, the canopy will collapse on its own. It is not worth the effort.