You're mid-squat, you glance at the gym mirror, and there it is: that telltale sheen that means your leggings have just gone see-through. It's one of the most common complaints among Australian gym-goers, and it's almost never your fault. It's the fabric.
"Squat-proof" is printed on plenty of swing tags without much behind it. Real opacity comes down to fabric density, stretch recovery and construction. LUZActive isn't a leggings manufacturer, so we don't have a horse in this race. We stock genuine leggings from Nike, On Running, New Balance, Under Armour and ASICS, checked against live stock in October 2026, and we'll tell you what we can and can't promise about each. The honest answer: no listing can guarantee opacity, so we show you how to test any pair yourself and which options are in stock to try.
Quick Verdict: Which Leggings Are Squat-Proof?
Start with the Nike One 7/8 ($104) or Training Pro Sculpt ($151): dense, high-rise, compression-fit pairs in dark colours are the safest bet for squats. On a budget, try the Under Armour HeatGear ($76) or ASICS Performance 7/8 ($83), and always run the 10-second light test on arrival.
What "Squat-Proof" Actually Means
It isn't a regulated term. What decides whether a pair survives a deep squat, lunge or stretch is the knit: how dense it is, how it stretches under load, and whether it snaps back or thins out.
The Fabric Density Rule of Thumb
Fabric weight is measured in GSM (grams per square metre). As a rough guide, leggings need to be around 350 GSM or higher with a tight four-way stretch knit to stay opaque when fully extended. Two-way stretch fabrics, common in cheaper leggings, tend to thin out across the seat and thighs exactly where you need coverage.
The 10-Second Light Test
When your pair arrives, put your hand inside and stretch the fabric across it in front of a window or bright light. If you can clearly see the outline of your hand or skin tone through the stretched fabric, it won't survive the squat rack. Do this before you remove any tags, since we offer 14-day returns from delivery.
Why Stretch Recovery Matters
Cheaper fabrics stretch fine at first, but the fibres don't fully recover, so each wear leaves the knit slightly looser and thinner. That's why a pair that felt opaque in week one can feel sheer by week six.
Leggings in Stock Right Now
| Pair | Brand | Price (AUD) | Best for |
|---|---|---|---|
| Nike One 7/8 Leggings | Nike | $104 | All-round gym and studio |
| Nike Training Pro Sculpt Leggings | Nike | $151 | Lifting and heavier training |
| On Running Studio 7/8 Leggings | On Running | $228–$237 | Premium studio and everyday |
| New Balance Binding Leggings | New Balance | $98 | Everyday training value |
| Under Armour HeatGear Leggings (men's) | Under Armour | $76 | Budget compression fit |
| ASICS Performance 7/8 Training Leggings | ASICS | $83 | Lowest-cost 7/8 training pair |
| Nike Training Pro Seamless Leggings | Nike | $122–$140 | Seamless knit for gym and studio |
| Under Armour Vanish Seamless Leggings | Under Armour | $151–$163 | Seamless everyday training |
| Nike Training Gym Life Swoosh V-Waist Leggings | Nike | $151 | V-waist gym pair |
| Nike One Flared / Zenvy Flared | Nike | $140 / $86 | Studio, yoga and casual |
Prices are in AUD and include GST and duties. Stock moves quickly, so if a pair you like is listed, check your size first. More options are in our leggings collection, gym wear and women's clothing.
Nike One 7/8 and Training Pro Sculpt: the Nike picks
The Nike One 7/8 ($104) is Nike's everyday Dri-FIT training legging and a sensible first pair to try. The Training Pro Sculpt ($151) is a step up for heavier sessions. Nike also stocks a compression baselayer ($73) and flared styles (Nike Flare $95, Zenvy Flared $86, One Flared $140) if you want a studio or casual look rather than a lifting fit.
On Running Studio 7/8: the premium pick
At $228–$237, the On Running Studio 7/8 is the most expensive pair here. If budget isn't the deciding factor and you want a polished studio-to-street legging, this is it. Price reflects the brand and design, not just opacity, so do the light test.
New Balance, Under Armour and ASICS: value options
The New Balance Binding Leggings ($98) are a mid-priced everyday option. The Under Armour HeatGear ($76, a men's cut) is a compression-fit legging at a low price, and the ASICS Performance 7/8 ($83) is the cheapest 7/8 training pair. Compression fits suit squats and lunges because there's less loose fabric to distort under load.
How to Pick a Pair That Won't Go See-Through
- Read the fabric description. Terms like four-way stretch, Dri-FIT and compression generally point to a denser knit than a basic legging.
- Choose a high-rise waistband for lifting. It stays put through squats and avoids the mid-set roll-down.
- Go for a compression or fitted leg. Flared and relaxed cuts are better for studio and casual wear.
- Choose darker colours if you're nervous. Black, navy and charcoal hide thin spots better than pale shades.
- Don't assume price equals opacity. Extra cost often covers pockets, trim and branding rather than fabric density.
- Check your size. LUZActive lists US sizing, so use the size guide and the brand guides below before ordering.
- Nike Women's Clothing Size Guide
- New Balance Women's Clothing Size Guide
- Under Armour Women's Clothing Size Guide
Common Legging Problems and Fixes
- Sliding or rolling down mid-workout: go high-rise with a wider waistband, and check your size isn't too large.
- See-through at the seat: choose a denser knit, a darker colour and a compression fit.
- Losing opacity over time: wash inside out in cold water, skip fabric softener and air dry.
- Pilling: avoid washing with rough items like jeans or towels.
Styling Leggings Beyond the Gym
For a simple gym-to-errands look, pair a 7/8 length like the Nike One with an oversized crew-neck sweatshirt and white sneakers. Full-length technical pairs layer well under a long jacket or zip-through fleece. Darker colourways are the easiest to dress up with a longline blazer. Dense four-way stretch knits tend to hold their shape, so they sit better under longer tops than under anything cropped and fitted.
Caring for Your Leggings
Check the care label first. As a general guide for technical stretch fabrics: wash in cold water on a gentle cycle, turn them inside out, avoid fabric softener, skip the tumble dryer and dry flat or hang by the waistband. Washing after every wear helps too, since sweat and skin oils gradually break down stretch fibres.
Why Buy From LUZActive
LUZActive is an independent, Australian-owned multi-brand retailer, not an official partner or affiliate of Nike, On Running, Under Armour, New Balance or ASICS.
- 100% Authentic Guarantee: every item goes through a 7-point verification before dispatch, including GTIN/GS1 barcode checks and a physical construction audit.
- Landed Price Guarantee: the AUD price includes GST and customs duties, with no surprise fees at delivery.
- 14-Day Returns: if the fit or fabric isn't right once it arrives, you have 14 days from delivery to return it.
- Delivery: typically 10 to 12 business days, because stock is sourced through our global distribution network.
Browse every style: all leggings at LUZActive. Also see our On Running vs Nike running shoe guide if leg day is only half your training.
Frequently Asked Questions
What makes leggings squat-proof?
A dense knit (roughly 350 GSM or higher), four-way stretch that recovers well, and a fit that doesn't over-stretch the fabric. Always do the light test on arrival.
Which leggings are least likely to be see-through?
Dense, high-rise, compression-fit pairs in dark colours are the safest. Of the pairs in stock, start with the Nike Training Pro Sculpt or Nike One 7/8 and test them against the light.
Are the Nike leggings from LUZActive authentic?
Yes. Every item goes through a 7-point verification process before dispatch. LUZActive is an independent reseller, not an official Nike partner.
Can I return leggings if they're see-through?
Yes. LUZActive offers 14-day returns from the date of delivery.
How should I wash squat-proof leggings?
Inside out, cold water, gentle cycle, no fabric softener, and air dry. Heat and softener break down the elastane that gives stretch fabrics their recovery.
How do I know what size to order?
All sizing on LUZActive is listed in US sizing. Check the size guide before ordering, since fit varies by brand.
Why does delivery take 10 to 12 business days?
Stock is sourced through our global distribution network rather than held in one local warehouse.
This is an independent comparison based on LUZActive's in-stock range and isn't sponsored by any brand. Prices and stock checked in October 2026 and may change.
