Photo for this design coming soon.
BLAC & YELLO Designed Sweatpants
Size guide
All measurements are in inches, taken with the garment laid flat. Allow slight manual measurement differences. Compare with a similar garment you own.
The chart describes garment sizing. Choose from the sizes offered on this product page.
Sweatpants — A3507
| Size | Outseam | Waist, flat | Hip width |
|---|---|---|---|
| S | 40.2 | 13.0 | 21.3 |
| M | 40.9 | 13.8 | 22.0 |
| L | 41.7 | 14.6 | 22.8 |
| XL | 42.5 | 15.4 | 23.6 |
| 2XL | 43.3 | 16.1 | 24.4 |
Waist is the width measured flat across the waistband, not a body-waist circumference. The vendor does not provide a stretched-waist range.
View vendor measuring diagram

Our designed BLAC & YELLO sweatpants bring the signature look to a relaxed, straight-leg fit. Washed black with a white BY mark and yellow stripe detailing.
- Original BY graphic
- Yellow leg-stripe accent
- Washed-black finish
- Relaxed straight-leg silhouette
- Available in S–2XL
- Sweatpants only; matching sweatshirt sold separately
Preorder: Allow up to two weeks before shipment. Carrier transit time is additional. Shipping is calculated separately at checkout.
Folded product images are styling visualizations.
Fit & care
Straight-leg silhouette with an elasticated waist. Contact us for garment measurements before choosing your size.
Follow the care label. Turn graphics inside out, wash cold, and air dry. Never iron directly over the graphic.
More fit & care informationShipping & returns
In-stock items ship within 7 business days. Carrier delivery time is additional.
Request a return within 14 days of delivery. Standard pieces must be unworn, unwashed, and in original condition. Customer pays return shipping for fit or change of mind.
Shipping details · Return details