Foster the Spirit of Effort™ – Customizable Dojo Performance Tee - Moisture wicking
Train hard, stay comfortable, and represent your dojo with a design that reflects the heart of martial arts practice.
This lightweight performance shirt features the Japanese phrase 努力の心を育てる (Doryoku no Kokoro o Sodateru), meaning "Foster the Spirit of Effort." Displayed in traditional brush-style calligraphy, it serves as a reminder that progress is built through consistent practice, perseverance, and character.
The design also includes a customizable dojo area, allowing you to add:
- Your dojo name
- Your school patch, crest, or logo
Whether you're training on the dojo floor, attending a seminar, or representing your organization at an event, this shirt provides a clean, professional look that can be personalized for any martial arts school.
Shirt Features
- Unisex fit
- 100% polyester performance fabric
- Lightweight and highly breathable
- Moisture-wicking material helps keep you cool and dry
- PosiCharge® technology helps maintain color and reduce logo fading
- Extra-light fabric (3.8 oz./yd² / 129 g/m²)
- Regular fit
- Tear-away label for added comfort
Customization
Replace the sample dojo name and patch with your own. Perfect for karate, kobudo, judo, jujutsu, taekwondo, kung fu, aikido, and other martial arts organizations seeking a personalized team or dojo shirt with a meaningful message.
Train with purpose. Foster the Spirit of Effort. 🥋
100% Polyester
This extremely strong and durable synthetic fabric retains its shape and dries quickly
Direct-to-Film (DTF) print
The design is printed on a special film and then transferred to the garment
Self fabric collar with seam
Collar is sewn from the same fabric as the body of the garment
Double needle sleeve and bottom hems
The garment is sewn around the edges with double stitching, making it long-lasting and durable
With side seams
Located along the sides of a garment, they hold shirts shape longer and lend its structural support
Do not iron; Machine wash: cold (max 30C or 90F); Do not bleach; Do not tumble dry; Do not dryclean.
Accurate shipping options will be available in checkout after entering your full address.
Any goods purchased can only be returned in accordance with the Terms and Conditions and Returns Policy.
We want to make sure that you are satisfied with your order and we are committed to making things right in case of any issues. We will provide a solution in cases of any defects if you contact us within 30 days of receiving your order.
See terms and conditions