Alpinestars AST-1 WP Pants - 2016 :: MotorcycleGear.com

Alpinestars AST-1 WP Pants - 2016

  • Multi-material main shell construction
  • CE certified protectors: knee
  • Internal knee compartment allows adjustment of protection to fit various leg lengths
  • Fixed waterproof and breathable membrane
  • Pre-curved leg construction for enhanced fit and comfort in the riding position
  • Hand pockets
  • Hip pad compartments with PE comfort padding
  • Integrated high visibility reflective graphic details improve rider visibility in varying light conditions
  • Waist adjustment belt for precision fit
  • Waist connection zipper for secure integration with Alpinestars riding jackets
  • Premium YKK zippers

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Our Price:
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Sizing Information

The pants are sold in US Alpha sizes. Alpinestar’s published chart is a graphical representation and very hard to read (for US sizes anyway), so I was able to get the chart below directly from Alpinestars which lists the max waist and inseam in US inches. I checked two sizes and found the chart to be reasonably accurate, although I found the waist sizes to be BARELY as big as indicated. If you are between sizes, I’d suggest going up!

The pants have some side adjustment and can be made a bit more snug than the max waist size (but they don’t get bigger). These pants are really made to be worn over underwear (not as an overpant), but if you plan on using them over clothing, then just measure yourself over the clothing.

Alpha Size Max Waist
Size Estimate
Inseam
Small 33 31.3
Medium 34.6 32
Large 36.2 32
XL 37.8 32.8
XXL 39.3 32.8
XXXL 40.9 33.6
XXXXL 42.5 33.6

Need help measuring? Get it here..

Our Two Cents

The AST-1 WP pants by Alpinestars have been a mainstay in their product line for years. They’ve changed some over the years, but generally speaking have been their “workhorse” textile pant for street riders. The shell is a mid-weight simple textile material without excess badging. The pant leg design is made to go over boots and they even have a zippered gusset to accommodate really big boots (like heavy adventure style boots).

These pants have a textile shell and a built-in waterproof and breathable membrane to keep you dry. There are no venting features so consider these pants for mild to cold and/or wet weather use. They’d be OK in moderate or maybe even warm weather; they’d certainly be cookers in summer.

The pants come with removable armor in the knees and light foam pads for the hips. The knee armor is height adjustable. You can use the all-around zipper for connection to Alpinestars jackets.

The waist tab has a very secure metal hook type closure that won’t pop open under pressure, so feel free to eat up! There are a couple Velcro side waist adjusters that seem to work well.

Overall, these are very nice pants for nearly any sort of street riding, and in a wide range of climates… from cold to mild and/or wet conditions. These are sort of a “can’t go wrong” product. :: Paul, 09-10-15

Note on hip armor: You can add CE hip armor to the pants by taking the link below. I observed that the fabric pocket was a bit bigger than the CE inserts, but our AS rep says it will work just fine.

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