OG Button-Up
OG Button-Up
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Day 1 OG Button-Up Black and White
Original energy. Day 1 loyalty.
The Day 1 OG Button-Up brings a relaxed, old-school silhouette into the modern Day 1 wardrobe. Designed with a loose fit, drop shoulders, short sleeves, and a classic lapel collar, it delivers an effortless look that can be worn buttoned up or layered open.
Made from 100% polyester with a lightweight 300 GSM construction, the OG Button-Up has a clean drape and easy feel built for warm days, late nights, and everyday rotation.
Details
- Unisex
- 100% polyester
- 300 GSM / 8.8 oz
- Relaxed, loose silhouette
- Drop shoulder
- Short sleeve
- Lapel collar
- Button-front closure
- Functional pocket
- Lightweight feel
Fit: Relaxed fit. Size up for a more oversized look.
Care: Machine wash at 30°C on a gentle cycle. Tumble dry low. Do not bleach or dry clean. Iron on low heat and avoid ironing directly over printed areas.
Minor variations may occur between production batches due to differences in fabric, dye, and processing.
| S | M | L | XL | 2XL | ||||||
| inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | |
| Length | 25.20 | 64 | 25.98 | 66 | 26.77 | 68 | 27.56 | 70 | 28.35 | 72 |
| Shoulder | 19.69 | 50 | 20.47 | 52 | 21.26 | 54 | 22.05 | 56 | 22.83 | 58 |
| Chest | 22.44 | 57 | 23.23 | 59 | 24.02 | 61 | 24.80 | 63 | 25.59 | 65 |
| Sleeve length | 10.04 | 25.5 | 10.43 | 26.5 | 10.83 | 27.5 | 11.22 | 28.5 | 11.61 | 29.5 |
Shipping Policy
Shipping Policy
We offer standard U.S. shipping with delivery in 3–4 business days. Shipping is free on orders $100 and up. Read our full Shipping Policy.

FOR EVERYDAY LIFE, FROM DAY ONE
Day 1 Collective
/ Built for real wear
/ Comfort you can live in
/ Durable fabrics made to last
/ Easy styles that move with you