Product Details

An excellent all-weather textile pant with a fixed waterproof membrane and class-leading internal protection incorporated into its multi-panel chassis, the AST-1 v2 Waterproof pants are equipped with pre-curved legs and an articulated knee design for enhanced comfort and durability.

Features;

Multi-material main shell construction for the optimum blend of durability, protection and lightweight.
Nucleon Flex Plus knee and hip protectors for protection against impacts.
The internal knee compartment allows adjustments of protection to fit various leg lengths.
Fixed waterproof and breathable membrane for effective all-weather performance.
Ventilation opening for high levels of cooling airflow.
Pre-curved leg construction for enhanced fit and comfort in the riding position.
Hand pockets for real-world practicality.
Hips compartments can be upgraded to incorporate Alpinestars Bio-Flex hip protectors.
Reflective details.
Hook and loop waist adjustments belt for a precise fit.
Waist connection zipper for secure integration with Alpinestars riding jacket.
Premium YKK zippers for durability.
Protection;
According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply to this product:
CE Category II PPE Regulation (EU) prEN 17092 – A class.
CE Level 1 EN1621-1:2012 Alpinestars Nucleon Flex Plus knee and Bio-Flex hip protectors. (Bio-Flex hip protectors are available as an accessory upgrade).

Reviews

Average Rating

3.3

Based on 3 reviews

Reviews

5

(1)

4

(0)

3

(1)

2

(1)

1

(0)

1-3 of 3 Reviews

michael w.

on October 14, 2022

great product ,first pair were too small and I sent them back and new pair were delivered in less than a week ,top service couldn't ask for better service

Patrick W.

on September 24, 2021

The length of the pants is perfect but the knee cap protection padding is too low.

Ming

on March 27, 2022

The quality of these pants feels solid. Very comfortable to wear. I added hip protectors to them. XL fits perfectly for me, for height 185 cm and weight 88 kg. Regarding Patrick's comment, the knee cap protection indeed is a bit low but it does not feel horrible on my legs (sport touring bike, knees slightly up). However, the pants are not waterproof. I bought them as my wet weather gears but it gets wet underneath pretty quickly during a moderate rain while riding for about 15 minutes. I had embarrassing wet markings in the crouch area and my *** got cold pretty quickly in the rain. When I took them off, I found water on my legs as well, small amounts but throughout. The water definitely did not get in from top or below as the pants joined well with my jacket (T-Jaws) and my boots were pretty high. Very disappointed as I put trust in Alpinestars. Not sure if anyone else has similar experience. Will contact Bikebiz for an opinion to find out if this can be a defect.

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Size	Waist / Hip / Thigh / Inner Leg / Height
XXS	63-69 / 79-84.5 / 48-50.5 / 71-73 / 157-162
XS	69-75 / 84.5-90 / 50.5-53 / 74-76 / 163-168
S	75-81 / 90-95.5 / 53-55.5 / 77-79 / 169-174
M	81-87 / 95.5-101 / 55.5-58 / 80-82 / 175-179
L	87-92 / 101-106.5 / 58-60.5 / 83-85 / 180-184
XL	92-97 / 106.5-112 / 60.5-63 / 86-88 / 185-189
XXL	97-102 / 112-117.5 / 63-65.5 / 89-91 / 190-194
3XL	102-107 / 117.5-123 / 65.5-68 / 89-91 / 190-194
4XL	107-112 / 123-128.5 / 68-70.5 / 91-92 / 195-199
5XL	112-117 / 128.5-134 / 70.5-73 / 91-92 / 195-199
6XL	117-122 / 134-139.5 / 73-75.5 / 91-92 / 195-199