Skip to product information
1 of 3

ALPINESTARS

ALPINESTARS Stella ST-1 Waterproof Pants

ALPINESTARS Stella ST-1 Waterproof Pants

SKU:4100-0005-73

Regular price $239.95
Regular price Sale price $239.95
Sale

FREE SHIPPING on orders $100+

Large freight items excluded. View Shipping Policy

Color
Size
View full details

Alpinestars · Pants · Adventure

Women’s Adventure Pants With Waterproof Liner

The Alpinestars Stella ST-1 Waterproof Pants are women’s adventure motorcycle riding pants built for all-weather touring comfort with a clean, minimalistic design. They’re designed to pair with the Stella ST-1 Waterproof Jacket, giving riders a coordinated setup for Adventure riding.

A fixed waterproof liner helps handle wet conditions, while the detachable 80g thermal liner adds warmth for colder mornings and evenings. An ergonomic active fit with pre-curved legs, 3D ergonomic knees, and a comfort-focused crotch construction supports mobility on the bike, and an extended cut at the back adds coverage in the riding position.

  • CategoryPants
  • Riding TypeAdventure

Construction

All-weather liner system

A fixed waterproof liner is built in for wet-weather riding, and the included detachable 80g thermal liner adds warmth when temperatures drop. The thermal liner connects with a zipper to help anchor it securely to the pants, making it easy to adapt the setup for changing conditions during adventure touring.

Comfort

Rider-focused fit and mobility

The Stella ST-1 Waterproof Pants are shaped for an active riding position with pre-curved legs and 3D ergonomic knees. A comfortable crotch construction is designed to support freedom of movement, and an extended cut on the back adds coverage when seated on the bike.

Fitment

Storage and connection details

For carrying essentials, these pants include 2 front cargo pockets and 1 lower back cargo pocket. A pant connection zipper helps create a more secure interface with a compatible jacket, supporting a stable fit for longer rides.

Construction

Optional protector pockets

Inside, the pants are described with a fixed membrane liner that includes internal pockets for a divided chest protector and a back protector pocket. Those protectors are optional and sold separately, giving riders the ability to add them if desired while keeping the base pants streamlined for everyday adventure touring use.

Included, Optional & Compatible Equipment

Included Fixed waterproof liner.
Included Detachable 80g thermal liner with zipper connection to anchor the liner to the pants.
Included Women’s waterproof riding pants with an ergonomic fit and removable thermal liner, built for all-weather touring comfort.
Included With a detachable thermal liner for added warmth on cold mornings and evenings, the Stella ST-1 Waterproof Pants are a smart choice for adventure touring riders in need of versatile, minimalistic gear for year-round performance.
Optional — sold separately Fixed membrane liner for enhanced rider comfort with internal pockets for a divided chest protector and a back protector pocket.

As stated by Alpinestars for this pants. Optional and compatible equipment is sold separately unless it is listed as included.

Features & Specifications

Ergonomic active fit pants with pre-curved legs, 3D ergonomic knees, and a comfortable crotch construction for freedom of movement and premium riding comfort.
Fixed waterproof liner.
Detachable 80g thermal liner with zipper connection to anchor the liner to the pants.
Fixed membrane liner for enhanced rider comfort with internal pockets for a divided chest protector and a back protector pocket.
2 front cargo pockets, 1 lower back cargo pocket, 1 zippered chest pocket, and 2 inner mesh pockets, provide generous storage capacity.
Sleeve volume adjusters with press buttons on the biceps, hook and loop collar, cuff, and waist adjusters provide for a well-tailored fit.
Extended cut on the back for greater coverage in the riding position.
Pant connection zipper for a secure fit.

As listed by Alpinestars for this pants.

Available Colors & Sizes

Color Sizes Part Numbers
Black X-Small, Small, Medium, Large, X-Large, XX-Large 4100-0005-73, 4100-0005-74, 4100-0005-75, 4100-0005-76, 4100-0005-77, 4100-0005-78

Manuals & Resources

Alpinestars Pants Size Chart

Provided by Alpinestars. Opens in a new tab.

⚠️ WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more.