Helmets & Apparel

Alpinestars #6504018-13-L - Nucleon KR-Cell Back Protector - Large

Nucleon KR-Cell Back Protector - LargeFeaturesDeveloped in three waist-to-shoulder dimensions in order to cover all body size typesBack hard shell plates are constructed from a high-performance polymeric material blend for optimized flexibility and...

Alpinestars #6504018-13-M - Nucleon KR-Cell Back Protector - Medium

Nucleon KR-Cell Back Protector - MediumFeaturesDeveloped in three waist-to-shoulder dimensions in order to cover all body size typesBack hard shell plates are constructed from a high-performance polymeric material blend for optimized flexibility and...

Alpinestars #6504018-13-S - Nucleon KR-Cell Back Protector - Small

Nucleon KR-Cell Back Protector - SmallFeaturesDeveloped in three waist-to-shoulder dimensions in order to cover all body size typesBack hard shell plates are constructed from a high-performance polymeric material blend for optimized flexibility and...

Alpinestars #6504018-13-XL - Nucleon KR-Cell Back Protector - XL

Nucleon KR-Cell Back Protector - XLFeaturesDeveloped in three waist-to-shoulder dimensions in order to cover all body size typesBack hard shell plates are constructed from a high-performance polymeric material blend for optimized flexibility and...

Alpinestars #6504018-13-XS - Nucleon KR-Cell Back Protector - XS

Nucleon KR-Cell Back Protector - XSFeaturesDeveloped in three waist-to-shoulder dimensions in order to cover all body size typesBack hard shell plates are constructed from a high-performance polymeric material blend for optimized flexibility and...

Alpinestars #6504325-123-L - Nucleon Plasma Back Protector - Black/White/Red - Large

Nucleon Plasma Back Protector - Black/White/Red - LargeFeaturesKey FeaturesThe back protector is a composite construction and has a central semi-rigid thermoplastic zone on a Nucleon Plasma Back Protector for greater impact force dispersion in a critical...

Alpinestars #6504325-123-M - Nucleon Plasma Back Protector - Black/White/Red - Medium

Nucleon Plasma Back Protector - Black/White/Red - MediumFeaturesKey FeaturesThe back protector is a composite construction and has a central semi-rigid thermoplastic zone on a Nucleon Plasma Back Protector for greater impact force dispersion in a...

Alpinestars #6504325-123-S - Nucleon Plasma Back Protector - Black/White/Red - Small

Nucleon Plasma Back Protector - Black/White/Red - SmallFeaturesKey FeaturesThe back protector is a composite construction and has a central semi-rigid thermoplastic zone on a Nucleon Plasma Back Protector for greater impact force dispersion in a critical...

Alpinestars #6504325-123-XL - Nucleon Plasma Back Protector - Black/White/Red - XL

Nucleon Plasma Back Protector - Black/White/Red - XLFeaturesKey FeaturesThe back protector is a composite construction and has a central semi-rigid thermoplastic zone on a Nucleon Plasma Back Protector for greater impact force dispersion in a critical...

Alpinestars #6504325-123-XS - Nucleon Plasma Back Protector - Black/White/Red - XS

Nucleon Plasma Back Protector - Black/White/Red - XSFeaturesKey FeaturesThe back protector is a composite construction and has a central semi-rigid thermoplastic zone on a Nucleon Plasma Back Protector for greater impact force dispersion in a critical...

Alpinestars #6504520-009-L - Nucleon KR-1 Cell Back Protector - Red/Black - Large

Nucleon KR-1 Cell Back Protector - Red/Black - LargeFeaturesCell Technology back protector is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving propertiesDeveloped in three...

Alpinestars #6504520-009-M - Nucleon KR-1 Cell Back Protector - Red/Black - Medium

Nucleon KR-1 Cell Back Protector - Red/Black - MediumFeaturesCell Technology back protector is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving propertiesDeveloped in three...

Alpinestars #6504520-009-S - Nucleon KR-1 Cell Back Protector - Red/Black - Small

Nucleon KR-1 Cell Back Protector - Red/Black - SmallFeaturesCell Technology back protector is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving propertiesDeveloped in three...

Alpinestars #6504520-009-XL - Nucleon KR-1 Cell Back Protector - Red/Black - XL

Nucleon KR-1 Cell Back Protector - Red/Black - XLFeaturesCell Technology back protector is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving propertiesDeveloped in three waist-to-shoulder...

Alpinestars #6504520-009-XS - Nucleon KR-1 Cell Back Protector - Red/Black - XS

Nucleon KR-1 Cell Back Protector - Red/Black - XSFeaturesCell Technology back protector is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving propertiesDeveloped in three waist-to-shoulder...