Alpinestars Race-Series Undershirt

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Designed with a relaxed fit for increased comfort.


The Alpinestars Race Series Undershirt offers flame-resistant properties in a lightweight, breathable package. Constructed using Alpinestars' specially crafted Lenzing FR, a natural viscose fiber that breaths extremely well without sacrificing flame resistance, the Race-Series Undershirt is designed with a relaxed fit for increased comfort. Improved elastic qualities (over traditional fabrics) creates a close, comfortable fit and helps to reduce bunching under the driver suit. Fitted with an extended collar for additional protection.

Technical Information

Rating: FIA 8856-2000, SFI 3.3
Fabric: Lenzing FR
Part Number: AL4754513
Manufacturer: 4754513-x

• Formula One-Spec underwear, constructed using an innovative flame resistant technology developed by Alpinestars. Lenzing FR is a special natural viscose fiber with unique thermal insulation and permanent flame resistance properties that help prevent heat stress and heat stroke.
• Special material formulation is more breathable and has better elastic properties than conventional fabrics.
• Lightweight, seamless construction ensures maximum driving comfort with minimal material encumbrance.
• Fabric construction is extremely soft to the touch ensuring a pleasant feel against the skin.


Alpinestars Nomex Underwear sizing chart

Nomex Underwear should fit snugly underneath a driving suit. Generally, sizing is similar to other pieces of underwear.

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Alpinestars Race-Series Undershirt

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Availability: In stock

Regular Price: $119.95

Special Price: $99.95