Performance Shirts
BRUCE BOLT Performance Shirts are built with lightweight, moisture-wicking, 4-way stretch fabric and a reflective BOLT logo just under the collar. Wear them under your baseball jersey during games, layer them for workouts and practices, or use them for everyday wear with friends.
- Apparel
- Performance Shirts
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
Unlock 15% off as a PRO Member
Discount auto-applies w/ PRO Membership. Learn More
DESIGNED FOR MOVEMENT WITHOUT LIMITS
THE BRUCE BOLT STANDARD
Design
A form-fitting cut and clean neck profile make it easy to layer under a baseball jersey, with versatile styling that works for games, practice, and casual wear.
Materials
Premium performance fabric with moisture-wicking properties and 4-way stretch keeps each shirt lightweight, breathable, and easy to move in.
Craftsmanship
Clean construction and a comfortable fit make this baseball performance shirt a dependable choice for game days.
FREQUENTLY ASKED QUESTIONS
What is a baseball undershirt, and why do players wear one? +
A baseball undershirt is a base layer worn under your baseball jersey for moisture management and added comfort. Players wear them to stay dry during games, layer up in cooler weather, or add a personal touch to the team uniform.
Are BRUCE BOLT Performance Shirts available in long sleeve and short sleeve? +
Yes. Our Performance Shirts come in both short sleeve and long sleeve options. Long sleeve baseball shirts add coverage for cooler weather and bullpen sessions, while short sleeve styles work for warm-weather games, workouts, and everyday wear.
What sizes do BRUCE BOLT baseball undershirts come in? +
Our performance shirts come in Standard and youth sizes ranging from S through XXL. The form-fitting cut runs true to size, though some players prefer sizing up for a looser fit when layering under a baseball jersey.
Are these shirts breathable enough for warm-weather games? +
Yes. The lightweight, breathable fabric pulls sweat off the skin to keep you cool through hot summer games, while 4-way stretch construction delivers maximum mobility through every inning.
Can I wear a BRUCE BOLT Performance Shirt under a baseball jersey or on its own for casual wear? +
Yes. Wear it as a baseball jersey undershirt during games or on its own for workouts or casual wear. The clean reflective BOLT under the collar keeps the look sharp on and off the field.
What is BRUCE BOLT's return and shipping policy on Performance Shirts? +
BRUCE BOLT offers free shipping on orders over $100 and free returns or exchanges within 30 days. Every Performance Shirt is also backed by our 100-Day Guarantee, trusted by more than 30,000 five-star customers. Reach out to team@brucebolt.us for help with any order.
TOP OFF THE FIT


Hoodies
Pair our short sleeve hoodie or pullover hoodie with any baseball undershirt for layered comfort during pre-game warm-ups and cold weather games. The cotton poly blend works as an outer layer over your base layer.

Arm Sleeves
Wear a BRUCE BOLT graduated compression arm sleeve with your Performance Shirt for added coverage and support. The compression construction promotes blood flow and reduces muscle vibration through long games and practices.

Hats
Finish the look with a BRUCE BOLT baseball cap featuring the signature BOLT mark. Adjustable and fitted styles pair naturally with any short sleeve or long sleeve undershirt.

Slides
Pair your performance shirt with our BRUCE BOLT slides, made for slipping on after workouts, between innings, or at home. The cushioned footbed delivers comfort for game days and everyday wear.
Still Looking? Trade Up While You Can
Start with the gear that helped build the BOLT. Past season styles are available in limited quantities, final sizes, and savings up to 40% off as we make room for what’s next.
It’s a chance to trade up, stock up, or experience the trusted BRUCE BOLT feel for the first time at a rare value.

















