Alpinestars Radium V2 Denim Motorcycle Textile Pants

The Radium V2 Denim Pants feature a refined modern cut with a regular tapered leg and elevated finishing and trim details. The Radium V2 Denim pant is a premium five-pocket sport and urban riding jean constructed from stretch Cordura® material technology with a cotton polyester and polyamide blend with 2% elastane. The pants have aramidic reinforcements on the knees, and polyamide lining on the hips for excellent Double-A rated abrasion resistance. Internally, for impact protection there is adjustable Level 1 rated Nucleon Flex Plus armor, which sits in a 3-position adjustable knee pocket with color-coded stitching to differentiate the individual pockets which measure in 3 cm increments to dial in the perfect rider fit. The denim material of the Radium V2 tech riding pants has a thermal regulation treatment to maximize breathability and ventilation comfort on warmer days. The pants are pre-curved in the knees, incorporating an engineered back leg cut, and have a shaped back waist to further enhance rider protection and provide high levels of rider comfort.

Features:

Reinforced Protective pant built to perform on the bike while delivering a unique casual style.
Modern cut with regular tapered leg, constructed with a Cordura® stretch layer and protective lining for superior abrasion resistance.
Aramid fiber reinforcement in knee and polyamide lining in the hip areas.
Stretch Cordura® denim with treatment for effective moisture wicking and thermal regulation treatment to maximize comfort on warmer days.
Cotton polyester and polyamide blend with 2% elastane, using Cordura® technology for strength.
Engineered back leg cuts for reduced fabric volume and improved rider comfort.
Adjustable Nucleon Flex Plus knee armor for high levels of impact protection, with 3 positions for better knee protector positioning, included and installed, as well as installed pockets for hip protection, with hip protection.
Shaped back waist and curved leg for riding comfort.
Elevated finishing and trims details including tonal branding, refined stitching and proportions, as well as new labeling.
Triple stitched seams for durability and strength, as well as stitched rivets for strength.
Reflective turn up hem.
Nucleon Flex Plus knee armor provides impact protection, offering high levels of movement and as well as a slim design to ensure the protectors remain discreet off the bike.

Specifications:

Category II EN 17092-3:2020 – AA Class

Protectors:

Level 1 Category II EN 1621-1:2012 Nucleon Flex Plus knee armor
Level 1 Category II EN 1621-1:2012 Bioflex hip armor

Color:	black
Size:	40
Pants Type:	Pants
Sport:	Motorcycle
Material type:	Kevlar
Features:	Knee protectors included
Gender:	Men
Material:	Textile
Application area:	Classic / Chopper, Urban / City
Material composition:	50% Cotton, 27% Polyester, 21% Polyamide, 2% Elastane; Lining: 38% Polyester, 33% Polyamide, 18% Aramid, 11% Cotton

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Size table

Size table for Alpinestars Radium V2 Denim Motorcycle Textile Pants:

Measurements in:

inch

Size	Waist (cm)	Hip (cm)	Thigh (cm)	Inseam (cm)	Inseam Short	Body Height (cm)
28	79 - 84	94 - 99	53 - 56	80 - 82,5	75 - 77,5	171,5 - 173
30	84 - 86,5	99 - 101,5	56 - 57,5	82,5 - 85	77,5 - 80	175,5 - 177
31	86,5 - 89	101,5 - 104	57,5 - 59	82,5 - 85	77,5 - 80	177,5 - 179
32	89 - 91,5	104 - 106,5	59 - 60,5	85 - 89	80 - 84	177,5 - 179
33	91,5 - 94	106,5 - 109	60,5 - 62	85 - 89	80 - 84	179,5 - 181
34	94 - 96,5	109 - 111,5	62 - 63,5	85 - 89	80 - 84	181,5 - 183
36	96,5 - 101,5	111,5 - 116,5	63,5 - 66,5	89 - 93,5	84 - 88,5	183,5 - 185
38	101,5 - 106,5	116,5 - 121,5	66,5 - 69,5	89 - 93,5	84 - 88,5	189 - 192
40	106,5 - 111,5	121,5 - 126,5	69,5 - 72,5	89 - 93,5	84 - 88,5	192 - 195

How to measure your height:

1 Taille

Die Taille misst du an der schmalsten Stelle deines Oberkörpers, meist knapp oberhalb des Bauchnabels. Stelle dich aufrecht hin und atme normal weiter, während du das Maßband waagerecht um deinen Körper legst. Achte darauf, dass das Band weder einschneidet noch zu locker sitzt, damit du ein realistisches Maß erhältst.

2 Hüfte

Die Hüfte misst du an der breitesten Stelle deines Gesäßes. Stelle dich gerade hin, die Füße etwa hüftbreit auseinander, und führe das Maßband waagerecht um deinen Körper. Wichtig ist, dass das Maßband überall auf gleicher Höhe verläuft und nicht nach oben oder unten verrutscht.

3 Innenbeinlänge

Die Innenbeinlänge misst du vom Schritt entlang der Innenseite deines Beins bis zur Fußsohle. Stehe dabei aufrecht und am besten ohne Schuhe, mit leicht gespreizten Beinen. Führe das Maßband gerade nach unten und achte darauf, dass es nicht verrutscht.

4 Oberschenkel

Der Oberschenkel wird an der kräftigsten Stelle des Oberschenkels gemessen. Lege das Maßband locker um das Bein, ohne es einzuschnüren. Für ein genaues Ergebnis solltest du entspannt stehen und das Gewicht gleichmäßig auf beide Beine verteilen.

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Reviews

2 out of 2 ratings

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2 reviews

9 April 2026 01:53

SUPERIOR

Pantalón muy cómodo. Nada homguero; ceñido pero nada exagerado. Tiene un punto elástico adecuado, nada rígido. Por dentro se siente suave lo que aporta más sensación de comodidad. En la moto se siente pegado y con libertad de movimientos, lo cual favorece su comodidad conduciendo y tumbando en curvas (moto RR)

16 July 2025 22:58

Excellent

I use these for commuting to work and for local rides. They are comfortable and true to size. Didn’t need to size up or down. I wore them while at the Isle of Man TT for around town. Casual looking Jean with good protection