Sparco RW-7 Nomex Racing Underwear Bundle

The Sparco RW-7 Nomex Racing Underwear Bundle combines the RW-7 Delta balaclava, RW-7 shirt, RW-7 pants, and RW-7 socks into one complete fire-resistant underlayer system for competitive motorsport.
Designed around comfort, breathability, and protection, the RW-7 collection uses soft stretchable fibers, minimal seams, and Sparco X-Cool technology to help manage heat and moisture while reducing pressure points underneath your helmet and racing suit.
What's Included
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1x Sparco RW-7 Delta Balaclava – FIA 8856-2018 and SFI 3.3 approved fire-resistant head and neck protection
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1x Sparco RW-7 Nomex Shirt – FIA 8856-2018 approved long-sleeve racing underlayer
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1x Sparco RW-7 Nomex Pants – FIA 8856-2018 approved fire-resistant racing underwear
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1x Sparco RW-7 Nomex Socks – FIA 8856-2018 approved mid-calf racing socks
Sparco RW-7 Bundle Features
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FIA Certification: FIA 8856-2018 approved components
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SFI Certification: RW-7 Delta balaclava is SFI 3.3 approved
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X-Cool Technology: Helps draw heat away from the body surface
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Antibacterial Treatment: Helps reduce odor and bacterial buildup during extended use
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Soft Stretchable Fabric: Provides a close, comfortable racing fit
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Minimal External Seams: Helps reduce pressure points beneath racing gear
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Driver-Focused Construction: Designed for comfort while seated in the cockpit
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Moisture Management: Helps control sweat and heat during demanding driving sessions
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Complete Underlayer System: Includes balaclava, shirt, pants, and socks
Sparco RW-7 Delta Balaclava
The Sparco RW-7 Delta Balaclava combines FIA 8856-2018 and SFI 3.3 fire protection with a lightweight, moisture-wicking construction designed for long sessions behind the wheel.
A body-mapped knit structure provides differentiated support between the front and rear of the balaclava, while optimized stitching around the eye opening helps minimize pressure points beneath a close-fitting racing helmet.
- FIA 8856-2018 approved
- SFI 3.3 approved
- Breathable moisture-wicking construction
- Body-mapped knit structure
- Optimized eye-opening stitching
- Thin profile for comfortable helmet fit
Sparco RW-7 Nomex Shirt
The Sparco RW-7 Nomex Shirt uses a soft stretchable construction with seamless sides and raglan sleeves to improve mobility and comfort underneath a racing suit. The fabric is designed to fit close to the body while remaining flexible in the driving position.
Sparco X-Cool treatment helps draw heat away from the skin and provides an antibacterial effect for improved comfort during long track sessions.
- FIA 8856-2018 approved
- Soft stretchable Nomex construction
- Seamless sides
- Raglan sleeves for improved movement
- Minimal external seams
- Sparco X-Cool treatment
Sparco RW-7 Nomex Pants
The Sparco RW-7 Nomex Pants provide lightweight fire-resistant lower-body protection with a close-fitting stretch construction designed specifically for motorsport use.
X-Cool technology helps regulate temperature, while reinforced areas and minimal seams provide a balance of comfort, protection, and durability during demanding driving conditions.
- FIA 8856-2018 approved
- Soft stretchable Nomex construction
- Designed for comfort in the driving position
- Minimal external seams
- X-Cool temperature-management technology
- Antibacterial treatment
- Manufacturer part number: 001781P
Sparco RW-7 Nomex Socks
Sparco RW-7 Nomex Socks complete the underlayer system with lightweight fire-resistant protection for the feet and lower legs. Their soft construction and X-Cool treatment help improve comfort while maintaining a close fit inside racing shoes.
- FIA 8856-2018 approved
- Soft and stretchable Nomex construction
- Minimal external seams
- X-Cool treatment
- Antibacterial properties
- Available in black or white
- European shoe sizing
- Manufacturer part number: 001522
Sizing Chart
Sparco RW-7 shirts and pants use Sparco underlayer sizing. The soft stretchable fabric is designed to fit close to the body. Drivers who prefer a looser fit may want to select one size larger.

Sparco RW-7 socks are sized according to European shoe sizes.

Why Choose the Sparco RW-7 Bundle?
The RW-7 system is a strong choice for drivers who want FIA-certified protection with more technical heat-management features than a basic entry-level underlayer. The combination of X-Cool treatment, stretch construction, moisture management, and minimal seams makes the RW-7 especially well suited for long track sessions, endurance racing, and hot cockpit conditions.
Frequently Asked Questions
Q: Is the Sparco RW-7 bundle FIA approved?
A: Yes. The RW-7 balaclava, shirt, pants, and socks are FIA 8856-2018 approved.
Q: Is the RW-7 balaclava SFI approved?
A: Yes. The Sparco RW-7 Delta Balaclava is also SFI 3.3 approved.
Q: What does Sparco X-Cool do?
A: X-Cool treatment is designed to help draw heat away from the body surface while also providing an antibacterial effect.
Q: Is the RW-7 a compression fit?
A: The shirt and pants are designed to fit close to the body because of their soft stretchable fabric. If you prefer a looser fit, consider selecting one size larger.
Q: Can I select different sizes for each part of the bundle?
A: Yes. Shirt, pants, balaclava, and sock options can be selected independently when configuring the package.
Q: How are the RW-7 socks sized?
A: Sparco RW-7 socks use European shoe sizing. Refer to the Sparco sock size chart above to find the correct size.