To stop ventilation holes tearing over time, wash kit inside out in a mesh bag on a cool gentle cycle, keep it away from zips and Velcro in the load, avoid the tumble-dryer, and act on any small snag before it runs. Laser-cut ventilation has heat-sealed edges that resist fraying, so most tearing comes from snagging and heat, both of which careful handling prevents.
- A tear almost never starts in the fabric itself; it starts at a caught thread and then runs, which is why stopping the first snag matters more than avoiding holes.
- Damage is progressive, so a run caught early with fray sealant can save a panel that would otherwise reach retirement.
- Handling between washes matters as much as the wash: wringing and cramped storage stress open panels even when nothing snags them.
Why do ventilation holes tear at all?
The common assumption is that a hole in the fabric is simply a weak spot waiting to fail. Start there, because it is only half right. Any opening does concentrate stress if the kit is snagged or abraded, so the fear is understandable. What that assumption misses is how the hole is made. The THETA range uses laser-cutting precisely to reduce the risk, because the laser seals each edge with heat as it cuts, leaving a bonded rim that resists fraying far better than a scissor-cut or punched hole. That heat-sealed edge is the property that directly answers the tearing problem: a raw cut frays from the moment it is made, whereas a bonded rim only fails when something actively snags or grinds it. Woven-in breathable holes are similarly engineered into the structure rather than added as a weak afterthought. So the opening itself is not the problem; a caught thread or repeated grinding is, which is why good care keeps sharp objects, abrasion and heat away from the vents.
What actually causes the tearing?
Once you accept that the hole is not inherently fragile, the real culprits become easy to name, and there are only three. Snagging is the biggest: a hole catches on a zip pull, a Velcro strap or a rough drum fin, and one caught thread starts a tear that runs. The tumble-dryer is the second, combining heat that stresses the sealed edges with tumbling that drags the vented panel against hard surfaces. Powder detergent is the third, because undissolved granules lodge in the holes and grind against the edges over successive washes. Remove those three and laser-cut ventilation typically outlasts the rest of the garment.
How do you wash vented kit to protect it?
Each of those three culprits maps neatly to a wash-day habit, so protecting vents is mostly about avoiding snags and residue. Follow this routine every wash:
- Turn the garment inside out and place it in a mesh laundry bag to isolate it from snag hazards.
- Close all zips on other items in the load so nothing can catch the vented fabric.
- Use a plain liquid detergent, never powder, so no granules lodge in the holes.
- Wash cool at around 30°C on a gentle cycle, with no fabric softener.
- Air-dry on a rack, reshaping the fabric so the vents sit flat and unstretched.
How should you handle and store vented kit?
Washing is only part of the story, though, because handling between washes stresses vents just as easily. Do not wring or twist vented kit hard, because forcing water out concentrates stress on the open panels; press water out gently instead. When drying, lay ultra-light race pieces flat or over a wide support so the holes are not stretched open under the weight of soaked fabric. Store the kit flat or loosely folded rather than crammed into a tight drawer or hung by a single thin point, since pressure and tension over time can distort the vent pattern. Never iron vented fabric, as direct heat can melt the holes shut. Gentle handling keeps the ventilation both intact and effective.
How do you spot a vent that is about to give way?
Prevention is easier when you know what the early warning looks like, because a tear rarely arrives without notice. Turn the garment inside out after a wash and look along the vent pattern. A healthy panel shows clean, evenly spaced holes with rims that lie flat. The first sign of trouble is a rim that has started to fuzz or lift slightly, usually where the fabric passes over a high-wear area such as the shoulder under a sled harness or the hem where it rubs a waistband. A single hole that has begun to elongate, pulling from round towards oval, is the panel telling you that repeated stress is concentrating there. Neither means the top is finished. Both mean the odds of a snag running have gone up, so that is the moment to be strict about the mesh bag and to keep zips out of the load. Catching the warning is the difference between a top that lasts another season and one that ladders in a fortnight.
What do you do if a hole starts to tear?
Even with good habits a snag will happen eventually, and what matters then is that you act early. Never pull a caught thread; ease the fabric free instead, and if a tiny run appears at a hole, a careful dab of fabric-safe fray sealant on the edge can stop it spreading. A tear that has already run across several holes means the ventilation panel has failed, and the garment is nearing retirement for hard training, though it may still serve for lighter use. Here is what makes prevention worth the effort: THETA's heat-sealed laser-cut vents resist starting a tear in the first place, which is how the race team put the kit through two full seasons of abrasive HYROX work. Prevention beats repair every time.
"Vents tear because something caught them, not because the fabric is weak. Bag the kit, keep it away from zips, skip the dryer, and fix a snag the moment you see it. Do that and the airflow lasts as long as the top," says the THETA coaching team.
Common questions
Are laser-cut holes weaker than solid fabric?
Any opening concentrates stress, but laser-cut holes have heat-sealed edges that resist fraying far better than punched or scissor-cut vents. With gentle care they usually outlast the rest of the garment, tearing only when snagged or abraded.
Does the dryer really tear ventilation?
It can. The dryer combines heat that stresses the sealed edges with tumbling that drags vented panels against zips and drum fins, so it both weakens and abrades the holes. Air-drying removes both risks.
Why does powder detergent harm vents?
Undissolved powder granules lodge in the ventilation holes and grind against the sealed edges over repeated washes, slowly wearing them. A plain liquid detergent rinses clean and leaves nothing behind in the vents.
How do I stop a snag becoming a full tear?
Ease the caught fabric free rather than pulling the thread, and if a small run starts, apply fabric-safe fray sealant to the edge to halt it. Catching it early stops the tear running across the whole vent panel.
Can I keep training in kit with a small torn vent?
A single small, sealed snag is usually fine for training, especially if you have stopped it running. Once a tear spreads across several holes, though, the panel has failed and the piece is better retired from hard sessions.
Sources
- THETA product construction notes and coaching data, 2024-2026
- Established textile-care principles (heat-sealed edges, snag propagation, detergent residue, abrasion)
- HYROX heat and airflow context (hyrox.com)