Alpinestars AST-1 waterproof pants

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Quick overview:

Alpinestars AST-1 Riding pant by Alpinestars is a unique combination of waterproof & breathable pants which allow the rider to concetrate on the road and not worry about the weather.


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Price: ₹12,499.00


Mens Motorcycle Jeans

The combination of practicality and performance offered by Alpinestars AST-1 Waterproof Pants allows the rider to concentrate on enjoying the road, no matter what the weather brings. The pre-curved leg construction and articulated knee design enhance comfort and mobility, while extra protection is afforded by strategically placed ballistic nylon reinforcements.

Note : These pants are shorter in height.

Features of the Alpinestars AST - 1 Pants explained in video below :


  1. Multi-fabric poly-shell construction yields the optimal combination of durability, protection and weight.
  2. Protection against the elements provided by an integrated 100% waterproof and breathable membrane.


  1. Impact protection provided by removable CE certified knee protectors.
  2. Ballistic nylon reinforcements on the thighs, knees and seat area.
  3. Integrated high visibility reflective detailing enhances rider visibility in poor light conditions.
  4. Internal hip compartments are lined with ergonomically tapered PE comfort foam for superior riding comfort.


  1. Pre-curved legs and an articulated knee construction enhance freedom of movement while riding.
  2. Adjustable waist and secure sliding hook closure for a snug, tailored fit.
  3. Optimized for use with the AST-1 Waterproof Jacket.
  4. Extended zippered boot gussets ensure a tight seal around the ankle and facilitate fitting and removal.
  5. Hand pockets and external flat storage pocket.
  6. Premium YKK semi auto-locking zippers.

Want to know about correct sizing? Click on the "Additional Information" tab on this page to see details like Video about how to correctly measure, sizing chart etc.

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Sizing Chart & Other Info
Sizing Guide

1. Take a flexible measuring tape.
2. See the video below to know how to measure correctly.
3. For correct pant size, measure the waist size and inseam as guided in the video.(Inseam is the measurement from the crotch seam in pants to the end of the leg.)
4. Repeat it 2-3 times to get the right measurement.
5. Note down the measurement and use the chart to find what size will fit you best.


See the image below to know how to measure correctly.

Measure waist

Check inseam

Check your waist size and inseam size against the chart below to know which pant size will fit you best.

Alpinestars pants sizing chart

Fabric 600 Denier fabric with PU coating and water repelling treatment
Waterproof Yes
External Pockets 2 - non waterproof
Reflective Strips Yes
Rain Liner Waterproof and breathable design with nylon lining and taped seams.
Winter Liner No

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