From deep stretches to faster-paced flows, these leggings move with you effortlessly. The cool-to-touch ButterFlow™ leggings offer a breathable, second-skin fit that gently supports while wicking away sweat to keep you dry. A wide, high-rise waistband smooths your waist and stays in place without digging in. Minimal seams create a clean, sculpted look.
Color :
Color: Sandalwood Brown
MyeongJin is 5'8.5" wearing S
Size: XS
XS
Size Guide
COMPRESSION LEVEL
High compression for a stable, 360° supportive fit.
If you prefer a more relaxed feel, we recommend sizing up.
Quantity:
Total price
Pre-order Information
Please review before placing your order.
Pre-ordered items are expected to ship in early June, but may ship sooner.
If your order includes both pre-order and in-stock items, available items will be shipped separately at no additional cost.
Pre-order items cannot be canceled after purchase, but returns are available after delivery according to our return policy.
Free standard shipping on all orders.
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From deep stretches to faster-paced flows, these leggings move with you effortlessly. The cool-to-touch ButterFlow™ leggings offer a breathable, second-skin fit that gently supports while wicking away sweat to keep you dry. A wide, high-rise waistband smooths your waist and stays in place without digging in. Minimal seams create a clean, sculpted look.
Designed for high-intensity movement, it delivers a secure 360° supportive fit with controlled compression that holds steady through running, cardio, and training sessions. Made with ButterFlow™ fabric, it balances a firm, sculpting hold with breathable stretch—so the fit stays responsive and stable as you move at your pace.
KEY FEATURES
KEY FEATURES
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ButterFlow™ fabric
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360° supportive fit
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High compression
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High-rise waistband
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No front seam
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Cool-touch feel
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Breathable
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Sweat-wicking
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Four-way stretch
SIZE GUIDE
SIZE GUIDE
Size Guide
Regular Fit
Asia Fit
in
cm
Size
US Size
Waist
Hip
XS
S
M
L
XL
2XL
3XL
0
2-4
6-8
10
12-14
16
18-20
25
27
29
31
33 1/2
36
39
34 1/2
36 1/2
38 1/2
40 1/2
43
45 1/2
48 1/2
Size
US Size
Waist
Hip
XS
S
M
L
XL
2XL
3XL
0
2-4
6-8
10
12-14
16
18-20
63.5
68.5
73.5
78.8
85
91.5
99
87.5
92.5
97.8
103
109.5
115.5
123
Size
US Size
Waist
Hip
XS
S
M
L
XL
2XL
0
2
4
6-8
8-10
12
26
26 3/4
28 1/4
30
32
34
34 1/2
35 1/2
37
38 1/2
40 1/2
42 1/2
Size
US Size
Waist
Hip
XS
S
M
L
XL
2XL
0
2
4
6-8
8-10
12
66
68
72
76
81
86
88
90
94
98
103
108
MATERIAL & CARE
MATERIAL & CARE
Material
Nylon (TACTEL®) 74%, Polyurethane (LYCRA®) 26%
Care
Wash with like colors (may bleed)
Do not soak
Use mild detergent
Wash cold (86°F or below)
Do not tumble dry
Do not dry clean
SHIPPING & RETURN
SHIPPING & RETURN
Shipping
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Standard shipping: $5
●
Express shipping: $15
Free shipping
●
Free standard shipping on orders over $50
●
Free express shipping on orders over $200
Returns
Returns are accepted within 30 days with a $10 return fee. If your order included a free gift, please return it with the item.
Product key features
Fabric
Size & Fit
Shipping & Return
Material & Care
Product Details
ButterFlow™ Performance Fabric
Lightweight and cool to the touch, ButterFlow™ is engineered for breathability and resilient stretch—designed to maintain support and comfort through high-intensity movement.
Super-High-Rise, Wide Waistband
A wide, supportive waistband holds steady through motion, offering secure coverage without rolling, pinching, or slipping during training.
Clean, Minimal Construction
The no–front seam design reduces distraction and allows the legging to move smoothly with your body through every stride and rep.
Experience ButterFlow™ Designed and made in Korea with 8 distinct styles from supportive bras and shorts to high-rise, flared, and wide silhouette bottoms.
"Buttery soft, amazing fit, and stunning is terrific. I’ve been wearing high end leggings for my workouts for many years, I’m so happy to have found stretchyorstory!! These pants have al the things I look for in my favorite pants!"
— Nancy M. (5/5)
Sculpting but runs small
"This has amazing compression but it runs small. So definitely size up"
— Tushna D. (5/5)
Awesome compression and comfort. Best
"Awesome compression and comfort. Best leggings I've found in a long time"
— Lindsay T. (5/5)
Quality Fabric!
"Decided to give these leggings a try after a review of safe fabric. The fabric is high-quality with good compression that is squat proof. I will buy another color of these leggings or at least another pair of black!"
— Melissa (5/5)
Feels like skin, like I
"Feels like skin, like I have nothing on and it’s great! Very comfortable! Definitely look at the sizing chart. I am a US Large but chart said I am an XL so I ordered an XL and I am very glad I did. XL fits perfectly."
— Samantha M. (5/5)
Perfect balance of support and breathability
"I'm 5'7" and wearing a size S here in the dusk blue. The compression is firm without feeling like you've been wrapped. It holds everything in place through a full cardio session without loosening up halfway through. The fabric keeps it breathable so you're not overheating under the support. The dusk blue is a really wearable color too. Does exactly what a high-intensity bra should! (This review was written by SYS crew. )"
— Sofia (5/5)
I like the high quality
"I like the high quality & texture of the material"
— Deborah H. (5/5)
butterflow leggings
"these leggings are my 2nd favorite! they are soft but the butterease are softer"
— A (5/5)
These are, without question, the
"These are, without question, the worst workout leggings I’ve ever purchased. The waistband rolled down the second I put them on. I thought maybe once I started moving they would stay in place — they did not. The entire workout consisted of me pulling them up over and over again. I couldn’t focus, I couldn’t move comfortably, and I couldn’t get a proper workout in because I was constantly adjusting them. That defeats the entire purpose of buying performance wear. What made this even more disappointing was the customer service. I reached out explaining that this happened the very first time I wore them — brand new, not washed. Instead of addressing the issue, I was repeatedly asked what detergent I used and what temperature I washed them in. It felt dismissive and scripted rather than helpful. Poor product. Worse customer service. I won’t be purchasing again."
— marcella f. (1/5)
Material is very comfortable like
"Material is very comfortable like every other korean legging I have. I like having no front seam and the waist does not dig into skin. The legging top hits my belly button. I do wish the length was a bit longer to cover my ankles though which is why I took a star off but besides that everything else is good. The black is very opaque, not see thru and between a slippery and matte feel."