D1 Performance Long Sleeve T-Shirt
D1 Performance Long Sleeve T-Shirt
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Take your training to the next level with the D1 Performance Long Sleeve Training Tee. Built for athletes who never skip the work, this lightweight performance shirt delivers the perfect balance of comfort, flexibility, and durability. Whether you're hitting the gym, logging miles, or wearing it as an everyday athletic essential, the moisture-wicking stretch fabric moves with you through every rep, sprint, and recovery.
The athletic raglan sleeve construction provides unrestricted movement, while the fitted performance cut offers a clean, modern silhouette. Designed for those who show up every day, the D1 Performance Long Sleeve is made to perform when it matters most.
Features:
- Premium 87% polyester / 13% spandex performance fabric
- Lightweight 200 GSM (5.9 oz.) construction
- Four-way stretch for unrestricted movement
- Moisture-wicking and breathable for all-day comfort
- Athletic raglan sleeves for enhanced mobility
- Performance fit with a modern athletic silhouette
- Crew neck design
- Ideal for training, running, gym sessions, and everyday active wear
- Perfect for spring, summer, and fall
Care Instructions:
- Machine wash cold (30°C / 86°F) on gentle cycle
- Do not bleach
- Tumble dry low
- Iron on low heat, avoiding printed areas
- Do not dry clean
Day One Collective
Built to Perform. Loyal Since Day One.
| S | M | L | XL | 2XL | ||||||
| inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | |
| Length | 23.62 | 60 | 24.41 | 62 | 25.20 | 64 | 25.98 | 66 | 26.77 | 68 |
| Shoulder | 26.18 | 66.5 | 26.77 | 68 | 27.36 | 69.5 | 27.95 | 71 | 28.54 | 72.5 |
| Chest | 15.94 | 40.5 | 16.73 | 42.5 | 17.52 | 44.5 | 18.31 | 46.5 | 19.09 | 48.5 |
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