Pump covers - Oversized Training T-shirts
Hide the pump. Reveal the beast. Shop Australia's most savage collection of oversized gym t-shirts and pump covers designed for lifters who train hard and live harder.
Our men's pump cover tees aren't just baggy shirts – they're engineered armor for your grind. Each oversized training t-shirt combines that loose, breathable fit you crave with premium cotton blends that move with your heaviest sets. Perfect for bodybuilding, powerlifting, or flexing that aesthetic lifestyle.
Why Australian lifters choose Stay Shredded pump covers:
- Baggy comfort that doesn't restrict your range of motion
- Premium fabrics built to handle your most intense sessions
- Streetwear aesthetics that transition from gym to street seamlessly
- Unisex sizing available in XS to 2XL
From minimalist essentials to bold graphic designs, our oversized workout shirts let you hide your physique during training and reveal the gains when it counts. Each piece is crafted with that signature drop-shoulder fit and relaxed silhouette that defines authentic pump cover culture.
Train savage. Look savage. Stay Shredded.
Designed in Australia. Worn by beasts worldwide.

Complete Guide: Choosing the Best Pump Covers & Oversized Gym Shirts
▼ Click to Read: Fit Guide, Fabric Tech, Styling Tips & More
What Are Pump Covers and Why Lifters Wear Them
Pump covers are oversized gym shirts designed to hide your physique during training and reveal it when the pump hits. For serious bodybuilders and powerlifters, pump covers serve multiple purposes: they keep muscles warm during training, prevent distraction from physique checking between sets, and create that dramatic reveal moment when you strip down post-workout.
The oversized fit isn't just aesthetic—it's functional. Loose-fitting training shirts allow unrestricted range of motion during overhead presses, lat work, and any upper body movement. Unlike fitted gym shirts that restrict shoulder mobility, pump covers move with you through every rep.
How Oversized Gym Shirts Should Fit
True pump covers feature a deliberately oversized silhouette with specific design elements that separate them from regular baggy t-shirts:
Drop shoulders: The shoulder seam sits 2-4 inches lower than your natural shoulder line, creating that signature relaxed look while accommodating wide lat spreads and muscular shoulder development.
Extended length: Quality pump covers extend past the waistband, providing coverage during overhead movements and eliminating the constant shirt-pulling that shorter tees require.
Roomy chest and arms: Generous sizing through the torso and sleeves ensures your pump doesn't fight against fabric restriction. The shirt should drape, not cling.
Relaxed neckline: Wider neck openings prevent that suffocating feeling during high-rep training and accommodate thicker necks from years of trap development.
Fabric Technology for Training Performance
Not all oversized shirts are created equal. The fabric makes the difference between a pump cover that performs and a cheap baggy tee that falls apart after a few washes.
Our pump covers use premium cotton blends (typically 95% cotton, 5% elastane) that provide breathability during intense training while maintaining structure wash after wash. The cotton content wicks moisture naturally, while the elastane addition prevents the shirt from stretching out permanently.
Heavyweight construction (180-220 GSM fabric weight) ensures durability and opacity—nobody wants a see-through pump cover when sweat hits. The thicker material also drapes better, creating cleaner lines and that premium streetwear aesthetic.
Pump Covers vs Regular Oversized T-Shirts
Standard oversized fashion tees are designed for street style, not gym performance. Here's what makes actual pump covers different:
Reinforced stitching: Heavy lifters put serious stress on shirts during training. Our pump covers feature double-stitched seams that won't split during heavy rows or pull-ups.
Length optimization: Fashion oversized tees often run too long, bunching awkwardly during leg work. Pump covers are cut specifically for gym movements—long enough for coverage, short enough to avoid interference.
Arm hole sizing: Proper pump covers have larger arm openings that accommodate muscular arms and allow full shoulder mobility. Regular oversized tees often have tight arm holes despite the baggy body.
Fabric durability: Gym environment demands tougher materials. Pump covers withstand constant washing, sweat, chalk, and the general abuse of serious training.
How to Style Pump Covers
In the gym: Wear your pump cover during warm-ups and working sets. Strip it off between exercises or post-workout when the pump is maximal. This is standard bodybuilding protocol—hide the physique, reveal the gains.
Pre and post-workout: Pump covers transition seamlessly from gym to street. Throw one on over your fitted gym shirt for the drive to the gym, then use it as a layer post-workout.
Streetwear integration: The oversized aesthetic works with joggers, athletic shorts, or even jeans. Pump covers have become legitimate streetwear pieces that signal lifting culture beyond the gym.
Layering: In colder months, pump covers layer perfectly under hoodies or over long sleeves. The oversized fit accommodates layering without looking bulky.
Sizing Guide for Pump Covers
Pump covers are meant to be oversized, but there's strategy to sizing:
Your normal size: Gives you a true oversized fit—baggy but not swimming. Best for most lifters who want the classic pump cover aesthetic.
One size up: Extra oversized look. Works if you're particularly muscular or prefer maximum looseness. Popular with bodybuilders who want dramatic coverage.
One size down: Still oversized but slightly more fitted. Good if you're between sizes or prefer a less extreme silhouette.
For reference: If you wear L in fitted gym shirts, order L or XL in pump covers depending on how oversized you want the fit.
Care Instructions for Maximum Longevity
Premium pump covers last for years with proper care:
- Wash inside-out in cold water to protect prints and maintain color
- Tumble dry low or hang dry (hang dry preferred to prevent shrinkage)
- Avoid fabric softener—it breaks down cotton fibers and reduces moisture-wicking
- Don't over-dry—slight dampness when removing from dryer prevents excessive shrinkage
Quality pump covers actually improve with washing, developing that perfect broken-in feel while maintaining their structure and oversized fit.
Frequently Asked Questions About Pump Covers
What size pump cover should I buy?
Order your normal t-shirt size for a standard oversized fit, or size up one for an extra baggy look. Pump covers are designed to be loose, so don't size down thinking they'll be too big.
Are pump covers only for bodybuilders?
While pump covers originated in bodybuilding culture, any serious lifter benefits from the oversized fit and performance features. Powerlifters, CrossFit athletes, and general gym-goers all wear pump covers for comfort and functionality.
Can I wear pump covers outside the gym?
Absolutely. Oversized gym shirts have become legitimate streetwear. The aesthetic works anywhere casual clothing is appropriate—running errands, casual outings, or just comfortable everyday wear.
How do Stay Shredded pump covers compare to other brands?
Our pump covers use heavier weight fabrics (200+ GSM) compared to most competitors who use thin 160-180 GSM materials. We also use premium cotton blends, reinforced stitching, and cuts specifically designed for muscular builds—not just generic oversized blanks.
Do pump covers shrink?
Quality pump covers experience minimal shrinkage (2-3%) with proper care. Always wash cold and avoid high heat drying. If you're between sizes or concerned about shrinkage, size up.
What's the difference between your oversized tees and pump covers?
They're the same thing. "Pump cover" is gym culture terminology for oversized training shirts. All our oversized tees function as pump covers—the terms are interchangeable.
Can women wear these pump covers?
Yes. Our pump covers feature unisex sizing. Many women prefer the oversized aesthetic for training. Check our size guide and consider sizing down if you want less volume.
How many pump covers should I own?
Most serious lifters own 3-5 pump covers minimum—enough to rotate through training sessions without constant washing. Our multi-pack bundles offer better value for building your collection.
Complete Your Training Wardrobe
Pump covers are just one element of proper gym attire. Complete your setup with:
Fitted gym shirts: Pair your pump cover with our Metal Series tees underneath for the classic hide-and-reveal aesthetic. When you strip off the pump cover, you're showing a premium fitted shirt, not a basic undershirt.
Performance shorts: Our Quads of the Gods gym shorts complement the oversized top aesthetic perfectly. The contrast between baggy top and fitted shorts creates the ideal bodybuilding silhouette.
Training hoodies: Layer pump covers under our hoodies during cold weather training or use hoodies as your primary pump cover for winter bulk season.
Gym accessories: Complete the look with our A-Frame caps. The full Stay Shredded aesthetic signals you're part of The Shredded Army—serious lifters who demand quality in every piece of gear.
Why Lifters Choose Stay Shredded Pump Covers
We're not mass-producing generic oversized shirts and slapping gym terminology on them. Every Stay Shredded pump cover is designed specifically for the demands of serious training:
Built by lifters, for lifters: Our team understands pump cover culture because we live it. Every design decision—from arm hole sizing to fabric weight to print placement—reflects real gym experience.
Premium construction: We use heavier fabrics, better stitching, and thoughtful cuts that actually fit muscular builds. These aren't fashion brand oversized tees adapted for gym use—they're purpose-built training gear.
Tested by The Shredded Army: Before any pump cover hits our store, it's been tested by real bodybuilders and powerlifters in actual training environments. If it doesn't perform, we don't release it.
Australian design philosophy: Designed in Australia for the unique demands of training in our climate. Our pump covers handle heat and humidity while maintaining durability and style.
Shop with Confidence
Every order $100+ includes free shipping across Australia. We offer hassle-free 30-day returns because we stand behind our gear. Need help choosing the right size or style? Our team consists of actual lifters who can provide real guidance based on training experience.
Save more when you stock up with our multi-pack bundles. Building a proper pump cover rotation is essential for serious lifters training 5-6 days per week.
Join thousands of Australian lifters who trust Stay Shredded to deliver performance, quality, and authentic gym culture in every piece. This isn't for everyone—it's for The Shredded Army.

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