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Alpinestars AST-1 Drystar Pants

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  • Description
  • Reviews (0)
  • Q&A (1)
  • Sizing Chart

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.

Race-bred construction
  • 600 Denier fabric with PU coating and water repelling treatment.
  • Stretch panels above the knees for superior flexibility.
  • Waterproof and breathable design with nylon lining and taped seams.
  • Vented mesh panels.
  • Waist and leg adjustment.
  • 1200D poly fabric reinforcements on the seat and knees with PU coating and water repelling treatment.
  • Reflective piping for increased visibility.
  • PU injected 3D logos.
  • Knee protector compartment with foam padding (CE certified knee protector available as accessory).
  • Complementary Jackets: Cape Town Air Drystar Jacket, Gunner WP Jacket, T-Fuel WP Jacket, and AST-1 WP Jacket.
Total Questions (1)
Questions with answers:
  1
Questions without answers:
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Frank Location: SoCal
1-1 of 1
Frank 1 year 9 months ago Location: SoCal
Zipper for jacket?
Good afternoon, I own an old Alpinestars leather jacket. Do these pants come with a zipper that zips to a jacket? Some of the pants' descriptions state that there is a zipper for a jacket, but I don't see it in the description for these pants. If not, which other Alpinestars waterproof textile pants have the zipper for a jacket? Thanks.
MotoSport Staff
1 year 9 months ago Location: Portland, OR, USA
MotoSportExpert
These pants do come with the 360 YKK zipper for jacket attachment.
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ALPINESTARS MENS APPAREL

MENS JACKETS / SHIRTS
SizeEuroUSChestWaistHeight
X-Small 46 36 35.0 - 36.6in (89 - 93cm) 28.7 - 30.3in (73 - 77cm) 5'7" - 5'9"
Small 48 38 37.4 - 39.0in (95 - 99cm) 31.1 - 32.7in (79 - 83cm) 5'9" - 5'10"
Medium 50 40 39.8 - 41.3in (101 - 105cm) 33.5 - 35.0in (85 - 89cm) 5'10" - 5'11"
Large 52-54 42-44 42.1 - 43.7in (107 - 111cm) 35.8 - 37.4in (91 - 95cm) 5'11" - 6'
X-Large 56-58 46-48 44.5 - 46.1in (113 - 117cm) 38.2 - 39.8in (97 - 101cm) 6' - 6'1"
2X-Large 60 50 46.9 - 48.4in (119 - 123cm) 40.6 - 42.1in (103 - 107cm) 6'1" - 6'3"
3X-Large     49.2 - 50.8in (125 - 129cm) 42.9 - 44.5in (109 - 113cm) 6'3" - 6'4"
4X-Large     51.6 - 53.1in (131 - 135cm) 45.3 - 46.9in (115 - 119cm) 6'4" - 6'5"

MENS PANTS
SizeEuroUSWaistHipInseamHeight
X-Small 44 28 29.9in (76cm) 36.2in (92cm) 29.9in (76cm) 5'9" (174 cm)
Small 46 30 31.5in (80cm) 37.8in (96cm) 31.9in (81cm) 5'10" (177 cm)
Medium 48 32 33.1in (84cm) 39.4in (100cm) 33.9in (86cm) 5'11" (180 cm)
Large 50 34 34.6in (88cm) 40.9in (104cm) 33.9in (86cm) 6' (183 cm)
X-Large 52 36 36.2in (92cm) 42.5in (108cm) 35.8in (91cm) 6'1" (186 cm)
2X-Large 54 38 37.8in (96cm) 44.1in (112cm) 35.8in (91cm) 6'3" (189 cm)
3X-Large 56 40 39.4in (100cm) 45.7in (116cm) 38.2in (97cm) 6'4" (192 cm)
4X-Large 58 42 40.9in (104cm) 47.2in (120cm) 38.2in (97cm) 6'5" (195 cm)

MENS RACE SUIT
SizeEuroUSChestWaistInseamHeight
X-Small 46 36 36.2in (92cm) 29.9in (76cm) 29.9in (76cm) 5'9" (174 cm)
Small 48 38 37.8in (96cm) 31.5in (80cm) 31.9in (81cm) 5'10" (177 cm)
Medium 50 40 39.4in (100cm) 33.1in (84cm) 33.9in (86cm) 5'11" (180 cm)
Large 52 42 40.9in (104cm) 34.6in (88cm) 33.9in (86cm) 6' (183 cm)
X-Large 54 44 42.5in (108cm) 36.2in (92cm) 35.8in (91cm) 6'1" (186 cm)
2X-Large 56 46 44.1in (112cm) 37.8in (96cm) 35.8in (91cm) 6'3" (189 cm)
3X-Large 58 48 45.7in (116cm) 39.4in (100cm) 38.2in (97cm) 6'4" (192 cm)
4X-Large 60 50 47.2in (120cm) 40.9in (104cm) 38.2in (97cm) 6'5" (195 cm)

A=CHEST / HIP

B=WAIST

Measured around the natural wasteline;

C=INSEAM

Measured from the crotch to the bottom of the leg.

D=HEIGHT

MENS GLOVES
SizeSizePalm Width
X-Small 7 2.2 - 2.6in (5.7 - 6.7cm)
Small 8 2.6 - 3.1in (6.7 - 7.9cm)
Medium 9 3.1 - 3.6in (7.9 - 9.2cm)
Large 10 3.6 - 4.1in (9.2 - 10.5cm)
X-Large 11 4.1 - 4.6in (10.5 - 11.7cm)
2X-Large 12 4.6 - 5.5in (11.7 - 14cm)

GLOVE SIZING INSTRUCTIONS:

  • Place a tape measure on the palm of your right hand.
  • Measure from the knuckle of your forefinger to the knuckle of your pinkie finger.
  • Use the resulted measurement in comparison to the chart on the left.

HATS
SizeHead Circumference
Small/Medium 21.7 - 22.8in (55 - 58cm)
Large/X-Large 23.2 - 24.0in (59 - 61cm)