







OPTIMAL
Strive for excellence with the OPTIMAL t-shirt. Designed for those who push limits, refine their craft, and seek the best in everything, this shirt symbolizes efficiency, precision, and peak performance. Whether you're optimizing your mindset, goals, or lifestyle, wear this as a reminder to always aim for the highest level. Made from premium-quality fabric for comfort and durability. Be efficient. Stay focused. Live OPTIMAL. ⚡✨
More details
- 100% ring-spun cotton
- Heavyweight fabric (6.1 oz)
- Relaxed fit
EU GPSR Product Information:
- Manufacturer contact information
- Name: Kiki and Bonbon
- Email: contact@support.kikiandbonbon.com
- Postal address: PO Box 5696 Santa Monica, CA 90405
- Additional information: This product is made for adults. 2 year warranty in EEA and UK, established by Directive 1999/44/EC.
Size & Fit
Quality Guarantee & Returns
- Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
- Because the products are made to order, we do not accept general returns or sizing-related returns.
OPTIMAL Size Guide

Size label | Length | Width | Sleeve length |
---|---|---|---|
S
|
26.62
|
18.25
|
16.25
|
M
|
28
|
20.25
|
17.75
|
L
|
29.37
|
22
|
19
|
XL
|
30.75
|
24
|
20 1/2
|
2XL
|
31.62
|
26
|
21.75
|
3XL
|
32 1/2
|
27.75
|
23.25
|
4XL
|
33 1/2
|
29.75
|
24.63
|