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Alpinestars 2026 Fluid Apex Pants, Black Motocross Pants with large White Lettering, worn with black knee protection and vibrant red boots, lightweight 600D polyfabric chassis, sport-fit design for off-road racing
Alpinestars 2026 Fluid Apex Pants, Motocross Pants, Black and Gray, worn with vibrant pink and red boots and matching black and white jersey, featuring bold vertical Alpinestars branding on the thigh, reinforced panels, and ratchet waist closure for off-road performance.
Alpinestars 2026 Fluid Apex Pants, Motocross Pants, Black and Gray, rear view featuring large white Alpinestars logos on the seat, worn with bright red and pink boots, durable 600D polyfabric construction for off-road performance
Alpinestars 2026 Fluid Apex Gear Set, Motocross Outfit, Black with Gray accents, jersey featuring large white Astars logo, matching pants with bold branding, black helmet with pink goggles, and bright red boots, complete off-road racing kit
Alpinestars 2026 Fluid Apex Pants, Motocross Pants, Black and Gray, worn with matching black and white jersey, black helmet with pink goggles, and bright red boots, featuring bold white branding on the legs and a sport-fit design for off-road racing.
Alpinestars 2026 Fluid Apex Pants, Motocross Pants, Black and Gray, rear view featuring white Alpinestars logo on the seat, worn with matching jersey, black and pink helmet, and bright red boots.
Alpinestars 2026 Fluid Apex Pants, Motocross Pants, Black and Gray, close-up detail of the integrated ratchet closure system for a secure fit, featuring white logo graphics on durable 600D polyfabric.
Alpinestars 2026 Fluid Apex Pants, Motocross Pants, Black and Gray, featuring white vertical astars logo on the legs, ergonomic pre-curved sport-fit design, durable 600D polyfabric construction for off-road riding
Alpinestars 2026 Fluid Apex Pants, Motocross Pants, Black and White, rear view showing large white star branding on the seat, ergonomic design with curved white accents, durable 600D polyfabric for off-road performance.

2026 Fluid Apex Pants

motocross

Regular price
$119.95
Size
Size guide
Color Black/Gray
2026 Fluid Apex Pants
2026 Fluid Apex Pants 2026 Fluid Apex Pants 2026 Fluid Apex Pants 2026 Fluid Apex Pants
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Return 30 days for exchanges & returns

The Fluid line offers recreational MX riders gear with optimal MX technology that leverages the key construction features of the Supertech, Techstar, and Racer lines for a total performance look and feel that is optimized for comfort and riding functionality. Developed and tested on some of the toughest terrains around the globe, the sport fit Fluid gear is ideal for many forms of off-road riding and provides the most relaxed fit of all the MX26 gear lines.
  • Performance and Comfort: Sport fit chassis with lightweight polyfabric and stretch corduroy panels for optimized freedom of movement in the riding position.
  • Ergonomic Construction: 3D pattern design and ergonomic cut provide premium rider comfort and superior mobility during off-road use.
  • Targeted Durability: Strategic reinforcements on the back yoke, upper knees, and backs of the legs to withstand the rigors of motocross and recreational riding.
  • Reinforced 600D polyfabric on the seat and knees for superior abrasion resistance and durability.
  • Synthetic leather on inner knees provides high levels of heat resistance, durability, and grip contact with the bike.
  • Ergonomic 3D pattern construction designed to maintain protection placement while ensuring maximum mobility.
  • Ergonomic cut and 3D pattern construction for enhanced rider comfort, unparalleled freedom of movement, and superior mobility.
  • Extended stretch corduroy fabric panels on crotch, knees, back yoke, and inside legs for superior freedom of movement, optimized fit, and enhanced rider comfort.
  • 600D polyfabric main construction with reinforced 600D polyfabric on the seat and knees for increased durability.
  • Synthetic leather on inner knees designed and cut ergonomically for durability and soft grip contact with the bike.
  • Mesh lining for enhanced rider comfort.
  • Ratchet closure for a secure, personalized fit.
  • Zippered fly for ease of use.
EAN 8059347633398
SKU 3721226-106-28
Complete the look
2026 Fluid Apex Jersey
2026 Fluid Apex Jersey 2026 Fluid Apex Jersey

2026 Fluid Apex Jersey

motocross 5 colors
Regular price
$36.95
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2026 Radar Gloves
Alpinestars 2025 Radar Gloves, Motocross Gloves, Black, white Alpinestars logo on the backhand and wordmark at the wrist, breathable mesh material with perforated thumb reinforcement, lightweight gear for off-road racing 2026 Radar Gloves

2026 Radar Gloves

motocross gloves 8 colors
Regular price
$39.95
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Tech 7 Boots
Alpinestars Tech 7 Boots, Motocross Off-Road Boots, Black with silver buckles and white accents, side profile view featuring four quick-release aluminum buckles, durable TPU shell and textured panels for off-road protection Tech 7 Boots

Tech 7 Boots

motocross boots 10 colors
Regular price
$499.95
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SM3 Solid Helmet ECE06/DOT
Alpinestars S-M3 Solid Helmet, Motocross Helmet, Matte Black finish, side profile featuring a white Alpinestars logo, aerodynamic shell with multiple ventilation ports and large visor, professional-grade off-road protective headgear SM3 Solid Helmet ECE06/DOT

SM3 Solid Helmet ECE06/DOT

motocross 3 colors
Regular price
$229.95
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Compatible protection
Bionic Plus Knee Protector
Bionic Plus Knee Protector Bionic Plus Knee Protector

Bionic Plus Knee Protector

enduro knee protectors 1 color
Regular price
$49.95

For product size: 28

Choose different size
Bionic Flex Knee Protector
Alpinestars Bionic Flex Knee Protectors, Black and Red, pair of motocross knee guards featuring perforated Nucleon Flex Technology shields, red Astars logos, and elasticated straps on a breathable black mesh sleeve. Bionic Flex Knee Protector

Bionic Flex Knee Protector

motocross knee protectors 1 color
Regular price
$109.95

For product size: 28

Choose different size
Bionic Action Knee Protector
Alpinestars Bionic Action Knee Protector, Black, Single Left-Side Guard, Hard Shell Protection with Dual Elasticated Straps, Motocross and Off-Road Impact Protection, Vented Ergonomic Design with Cushioned Padding Bionic Action Knee Protector

Bionic Action Knee Protector

motocross knee protectors 1 color
Regular price
$44.95

For product size: 28

Choose different size
SX-1 V2 Knee Protector
SX-1 V2 Knee Protector SX-1 V2 Knee Protector

SX-1 V2 Knee Protector

motocross knee protectors 1 color
Regular price
$119.95
Sale price
$99.95
17% off

For product size: 28

Choose different size
Youth Bionic Action Kickstart Knee Guard
Alpinestars Bionic Action Kickstart Knee Guards, Youth Motocross Knee and Shin Protectors, Black with Red KICKSTART logo, articulated plastic shell and double elasticated straps, protective gear for young off-road riders Youth Bionic Action Kickstart Knee Guard

Youth Bionic Action Kickstart Knee Guard

motocross knee protectors 1 color
Regular price
$29.95

For product size: 28

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Bionic Pro Plasma Knee Protectors
Bionic Pro Plasma Knee Protectors Bionic Pro Plasma Knee Protectors

Bionic Pro Plasma Knee Protectors

motocross knee protectors 1 color
Regular price
$149.95

For product size: 28

Choose different size
RK-1 Plasma Knee Braces
Alpinestars RK-1 Plasma Knee Brace, Motorcycle Knee Protection, Black and Red, side profile view featuring the articulated four-point hinge system, triple segmented knee cup, and adjustable straps for off-road racing RK-1 Plasma Knee Braces

RK-1 Plasma Knee Braces

motocross knee protectors 1 color
Regular price
$299.95

For product size: 28

Choose different size
RK-7 Plasma Knee Braces
Alpinestars RK-7 Plasma Knee Brace, Motocross Knee Protector, Black with Red accents and white logos, ergonomic fiber-reinforced frame with adjustable straps and four-point hinge system, durable off-road protection gear RK-7 Plasma Knee Braces

RK-7 Plasma Knee Braces

motocross knee protectors 1 color
Regular price
$499.95

For product size: 28

Choose different size
Supertech RK-10 Plasma Knee Braces
Alpinestars Supertech RK-10 Plasma Knee Brace, Motocross Protective Gear, Black with Forged Carbon Fiber Frame and Gray Accents, Red Branding, Hinged Support System with Adjustable Straps, Premium Off-Road Protection Supertech RK-10 Plasma Knee Braces

Supertech RK-10 Plasma Knee Braces

motocross knee protectors 1 color
Regular price
$999.95

For product size: 28

Choose different size
SX-1 Plasma Knee Protector
Alpinestars SX-1 Plasma Knee Protectors, Motocross Knee Protection, Black and Red, featuring semi-rigid ventilated frames, red inner padding, white Alpinestars logos on the kneecap, and a dual pivot hinge design for off-road performance SX-1 Plasma Knee Protector

SX-1 Plasma Knee Protector

motocross knee protectors 1 color
Regular price
$129.95

For product size: 28

Choose different size

Recommendations

Tech 3 Boots
Alpinestars Tech 3 Boots, Motocross Boots, Black and White, side profile view featuring three-buckle closure system, protective TPU panels, and durable synthetic construction for off-road racing Tech 3 Boots

Tech 3 Boots

motocross boots 3 colors
Regular price
$269.95
SMX-1 Air V2 Gloves
Alpinestars SMX-1 Air V2 Gloves, Black Motorcycle Gloves, featuring carbon fiber-style knuckle protection, white star logo, mesh panels and perforated leather for airflow, short cuff design for street and urban use. SMX-1 Air V2 Gloves

SMX-1 Air V2 Gloves

racing/sport gloves 4 colors
Regular price
$79.95
Tech 7 Boots
Alpinestars Tech 7 Boots, Motocross Off-Road Boots, White and Black, featuring four adjustable buckles and reinforced TPU shell, side profile of professional off-road footwear Tech 7 Boots

Tech 7 Boots

motocross boots 10 colors
Regular price
$499.95
SM3 Solid Helmet ECE06/DOT
Alpinestars S-M3 Solid Helmet, Motocross Helmet, Black Glossy, side profile view featuring a white star logo, angular aerodynamic design with mesh vents and visor, protective off-road racing headgear SM3 Solid Helmet ECE06/DOT

SM3 Solid Helmet ECE06/DOT

motocross 3 colors
Regular price
$229.95
SM3 Solid Helmet ECE06/DOT
Alpinestars S-M3 Solid Helmet, Motocross Helmet, Matte Black finish, side profile featuring a white Alpinestars logo, aerodynamic shell with multiple ventilation ports and large visor, professional-grade off-road protective headgear SM3 Solid Helmet ECE06/DOT

SM3 Solid Helmet ECE06/DOT

motocross 3 colors
Regular price
$229.95
Supertech R10 Solid Helmet
Alpinestars Supertech R10 Solid Helmet, Black Carbon Matte and Glossy, Motorcycle Racing Helmet, Carbon Fiber Construction, Side Profile, Blue Tinted Visor, Aerodynamic Design with Winglets, White Logo, High-Performance MotoGP-Level Protection Supertech R10 Solid Helmet

Supertech R10 Solid Helmet

racing/sport helmets 2 colors
Regular price
$1,149.95