Perfect under leggings
Finally found a thong that stays invisible during training. No lines, no distractions, just confidence.
Sophie M.














A wider, bonded bamboo viscose gusset sits flat across the front, so there's no camel toe and no lines under your leggings. Put it on and forget it's there.
Engineered to disappear. Designed to sit flat and stay invisible. Just thoughtful design that works.
Pilates, yoga, the gym, the school run, long days in leggings, real women putting SHAPSS to the test through every part of their active day. Moisture-wicking, all-day comfort, and the confidence that comes with no camel toe, no lines, no second-guessing.
The part closest to your skin is the part we paid the most attention to. Every layer of SHAPSS is designed for comfort, movement, and a smooth invisible fit.
Pilates, yoga, gym sessions, everyday leggings, white trousers, fitted dresses, and everything in between. All-day comfort with a barely-there feel.
True to size with a secure, comfortable fit. The wider bonded gusset sits flat across the front for a smooth finish, while the seamless design keeps everything invisible.
Gusset: 95% bamboo viscose, 5% spandex. Body: 75% nylon, 25% spandex. Bamboo gusset fabric made with OEKO-TEX Standard 100, Class I certified materials.
Machine wash cool (30°C). Do not use fabric softener or bleach. Air dry for best results.
No camel toe, no visible line. Wear the white, the leggings, the fitted dress.
A soft bamboo gusset designed to sit smoothly against your skin. So comfortable, you’ll forget it’s there.
The bamboo viscose gusset helps manage moisture, keeping you feeling fresh, comfortable, and ready for the day.
Soft, breathable bamboo fabric designed to feel kind on skin — even during long days.
Bonded edges and six reinforced bar tacks help maintain shape and durability through everyday wear and washing.
From gym sessions to everyday confidence, discover why SHAPSS feels different.
DISCOVER SHAPSSFinally found a thong that stays invisible during training. No lines, no distractions, just confidence.
Sophie M.I wear these for workouts and everyday life. No digging, no adjusting, just smooth comfort all day.
Emma R.From strength sessions to long days out, SHAPSS stays comfortable and in place.
Charlotte W.I can squat, stretch, and move without worrying about my underwear. Exactly what I needed.
Amelia T.The bamboo fabric feels amazing on my skin. Lightweight, breathable, and seriously comfortable.
Olivia P.No complicated routines. No adjustments. Just underwear designed to move with you.
Wear SHAPSS under leggings, white trousers, fitted dresses, or your everyday outfits. The bonded gusset sits smooth from the moment you put it on.
From workouts to workdays and everything in between. No visible lines, no bunching, no constant adjusting. SHAPSS stays comfortable and secure.
Comfort that lasts from your first coffee to your last stop of the day. No checking. No fixing. No distractions.
The difference
Three complaints we heard on repeat, and our answer to each.
"It gave me camel toe"
Most solutions use thick padding you can feel. SHAPSS uses a soft, light padded bamboo viscose front built into the garment to sit flat and smooth. No bulk. No bunching. Just a cleaner, more comfortable fit.
"It felt like scratchy plastic"
Many thongs use fabrics that don’t breathe. SHAPSS uses a soft, breathable 95% bamboo viscose gusset designed for comfort against your skin. Made with OEKO-TEX Standard 100, Class I certified fabric.
“Is it worth the price?”
Cheap underwear often means replacing it again and again. SHAPSS is built with bonded edges and six reinforced bar tacks to keep its shape wash after wash. Better comfort. Better durability. Better value over time.
Try SHAPSS with confidence. Wear them, move in them, and experience the difference. If they’re not right for you, we’ll make it right.
Made with independently tested Class I certified fabric soft, breathable, and gentle on skin.
Fast, discreet delivery in plain packaging. Most orders arrive within 2–4 business days.
Bonded edges and six reinforced bar tacks help SHAPSS stay smooth, secure, and comfortable through 50 washes.
Our promise
Try SHAPSS with complete confidence. Wear them, wash them, and put them through real life. If they don’t become your favourite pair, return them for a full refund.
SHAPSS runs true to size. If you’re between sizes, we recommend choosing the larger size for a more comfortable fit. Free exchanges are available within 30 days.
Yes. Our wider bonded bamboo gusset is designed to sit flat and smooth across the front, helping prevent visible lines and discomfort — without any added padding.
No. Bonded seamless edges are designed to disappear under leggings, light colours, and fitted outfits with a smooth, invisible finish.
Body: 75% polyamide, 25% elastane
Gusset: 95% bamboo viscose, 5% spandex
The bamboo gusset fabric is made with OEKO-TEX® Standard 100, Class I certified materials.
The bamboo viscose gusset is hypoallergenic and breathable, and the fabric meets the Class I standard used for babywear.
Machine wash cool at 30°C. No fabric softener or bleach. Air dry.
You have 30 days to try SHAPSS. Wear them, wash them, and experience the fit. If they’re not right for you, return them for a full refund.
We ship across the UK in discreet packaging. Enjoy free shipping on orders over £50, with most orders arriving within 2–4 business days.