


Bell Sport-TX Racing Underpants
Get maximum comfort and protection with the Bell Sport‑TX Underpants Bottom. Designed with moisture‑wicking fabric and flatlock seams, this race essential fits under your suit to prevent irritation. Lightweight, durable, and built to perform in all conditions—on track or in the pits.
Rating: | SFI 3.3 |
Fabric: | Nomex |
Part Number: | BEUNSPTXBOT |
Manufacturer: | BR400xx |
- Moisture‑wicking stretch mesh polyester blend—stays dry under pressure
- Flatlock stitching to reduce chafing, discomfort during long time in gear
- Contoured ergonomic cut for low bulk under racing suit or protective layers
- Elastic waistband for secure, comfortable fit without binding
- Lightweight yet durable construction—built to endure washes and wear
- Ideal for karting, road racing, endurance events, track days, or daily practice
- Helps regulate body temp by promoting airflow and moisture escape
The Bell Sport‑TX Underpants Bottom is engineered to keep you comfortable, focused, and ready for every lap. Made from stretch‑mesh polyester blend fabric, this under‑gear essential wicks moisture away from the skin to help keep you cool and dry even in high‑stress moments on the track. The flatlock seam construction minimizes chafing and skin irritation, so you can move freely without distraction whether you’re climbing in and out of your cockpit or sweating in practice.
With a contoured cut designed to layer discreetly under any racing suit or street safety gear, the Sport‑TX underpants bottom delivers a snug, ergonomic fit that stays in place. The elastic waistband ensures secure positioning without digging or binding—perfect for long drives, hot endurance sessions, or rigorous practice days. The lightweight build keeps bulk minimal but durability high, so it resists tearing or wear even under heat, repeated washing, and movement.
Whether used in karting, road racing, drift, or track day events, these underpants are a foundational piece. They work quietly behind the scenes to manage moisture, reduce friction, and offer that extra bit of comfort that lets you push through the finish line without worrying about the little things.
Choose options


