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Alpinestars Flex-AST 5 Denim Pants, Motorcycle Denim Pants, Indigo Washed, worn with a black performance t-shirt and black sneakers, featuring a tapered fit and monolayer stretch denim construction for urban riding
  • Alpinestars Flex-AST 5 Denim Pants, Motorcycle Denim Pants, Indigo Washed, worn with a black performance t-shirt and black sneakers, featuring a tapered fit and monolayer stretch denim construction for urban riding
  • Alpinestars Flex-AST 5 Denim Pants - Short, Indigo Washed, urban motorcycle jeans with a tapered fit, worn by a male model with a black tight-fitting shirt and black sneakers, classic denim style for road-to-street transitions
  • Alpinestars Flex-AST 5 Denim Pants, Indigo Washed blue, rear view showing tapered urban fit, worn by model with black performance t-shirt and sneakers, casual motorcycle protective wear
  • Alpinestars Flex-AST 5 Denim Pants, Indigo Washed, urban motorcycle pants with a tapered fit, shown from the rear on a model wearing a black t-shirt and sneakers, featuring a clean five-pocket design and monolayer stretch construction
  • Alpinestars Flex-AST 5 Denim Pants in Indigo Washed, urban motorcycle jeans with a tapered fit, worn by a male model with a black short-sleeved base layer featuring red accents, casual road-to-street styling
  • Alpinestars Flex-AST 5 Denim Pants - Short, Indigo Washed blue motorcycle jeans, back view featuring rear pockets and a small black Alpinestars tag, worn with a black compression shirt with red stitching, casual urban riding apparel.
  • Flex-AST 5 Denim Pants - Short
  • Alpinestars Flex-AST 5 Denim Pants - Short, Urban Motorcycle Pants, Indigo Washed, back view showing classic rear pockets, black brand patch on the right pocket, and a modern tapered fit in stretch denim
Flex-AST 5 Denim Pants - Short

Flex-AST 5 Denim Pants - Short

urban contemporary | pants

$239.95
Color:Indigo Washed
Flex-AST 5 Denim Pants - Short Flex-AST 5 Denim Pants - Short

Size:28

Size guide

CE-Certified Garment

A Class
Description

The FLEX-AST 5 Denim Pants are protective riding jeans reimagined for everyday wear. Designed with a lightweight monolayer stretch denim construction and a clean, tapered fit, they deliver all-day comfort and casual styling without compromising on safety. Engineered to exceed performance specifications and CE certification standards, these jeans offer discreet, built-in protection with refined detailing and a modern wash and finish—making them an ideal choice for riders who want all-day comfort and everyday practicality with built-in moto-specific protection.
Key Features
  • Monolayer Stretch Denim: Single-layer construction eliminates bulk while delivering CE-certified protection and all-day comfort
  • Nucleon Flex Plus Knee Armor: CE Level 1 protectors included—3D-shaped, breathable, and slim for discreet protection
  • 3-Position Adjustable Pockets: Customize knee armor placement for personalized fit and optimal impact coverage
  • Exceeds CE Class A Standards: 20% better abrasion and tear resistance than baseline safety certification
  • Modern Tapered Fit: Urban-ready silhouette with riding ergonomics including raised back waist and accessible pockets
Protection
  • CE Class A Certified Garment: Meets EN 17092 Class A safety standards for protective motorcycle apparel with verified impact and abrasion resistance.
  • CE Level 1 Knee Protection: Nucleon Flex Plus knee armor certified to EN 1621-1 standard provides impact absorption across the knee joint.
  • Adjustable Knee Armor Placement: Three-position protector pockets enable precise vertical positioning for optimized coverage and personalized fit.
  • Enhanced Abrasion Performance: Exceeds CE EN 17092 abrasion and tear strength thresholds by 20% in tested zones for reliable slide protection.
  • Hip Armor Compatible: Accepts optional Bioflex CE Level 1 hip protectors for expandable side-impact coverage (armor sold separately).
Construction
  • Monolayer stretch denim construction engineered to meet FLEX-AST performance specifications
  • Fabric composition: 53% cotton, 30% polyester, 17% polyamide with integrated mechanical stretch
  • Hidden external double stitching and overlock seams in impact-prone areas for structural integrity
  • Ventilated armor pockets with mesh lining and three-position adjustable knee protector placement
  • Raised back waist panel for extended coverage in riding position
  • Deep-cut hand pockets with reinforced pocket openings
  • Selvedge-look interior seam construction with contrast thread stitching
  • Embroidered Alpinestars logo detail on coin pocket
Shipping & Returns
  • Free Shipping On Orders $99+
  • Free 30 day exchanges and returns
Reviews
SKU 8054866078521 EAN 3321626-77-28

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For product size:

Bioflex Hip Protectors

Bioflex Hip Protectors

Bioflex Hip Protectors
$29.95

For product size:

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Alpinestars Flex-AST 5 Denim Pants, Motorcycle Denim Pants, Indigo Washed, worn with a black performance t-shirt and black sneakers, featuring a tapered fit and monolayer stretch denim construction for urban riding

Flex-AST 5 Denim Pants - Short

28 / Indigo Washed
$239.95

Flex-ast 5 Denim Pants

The Flex-AST 5 Denim Pant is a lightweight protective denim pant providing everyday casual comfort and style. Designed for leisure riding and all-day comfort both on and off the bike.

Comfort Construction

Monolayer lightweight construction with built in mechanical stretch.

Convenient Storage

Deep hand pockets for riding comfort when loaded.

Casual Fit

High back waistline for riding comfort and protection with a regular tapered fit.

Customizable Protection

CE Level 1 Nucleon Flex Plus knee armor delivers ventilated, low-profile protection with adjustable internal pockets for a custom fit with Bioflex Level 1 armor at hip.

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