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Alpinestars ST-1 waterproof Motorcycle Textile Jacket black/blue/red

Average rating of 4.6 out of 5 stars

(3)
Description

Alpinestars ST-1 waterproof Motorcycle Textile Jacket

The ST-1 WP was specially developed for riders looking for a waterproof all-weather jacket. It offers both freedom of movement and year-round comfort. Its minimalist design makes it the ideal choice for stylish adventure tourers looking for optimum protection in wet weather. A removable thermal lining provides extra warmth on colder rides. Combined with the ST-1 WP trousers, the jacket makes a perfect all-weather outfit.

Features:

  • Waterproof lining for excellent performance in wet weather.
  • Front chest vents for improved airflow and breathability
  • Modern shoulder design with Alpinestars branding for an adventurous touring look
  • Comfortable fit with pre-curved arms and ergonomic elbows for better freedom of movement
  • Slim, ergonomic cargo pockets with integrated expansion for additional storage space
  • Removable thermal lining (80g on the torso, 80g on the sleeves) that can be stowed in the lower back pocket
  • Chest pocket with zipper, cargo pocket on the back and two inner mesh pockets, one of which is waterproof
  • Sleeve width adjusters with press studs on the biceps and Velcro fastening on the collar, cuffs and waist for a customized fit
  • Extended cut at the back for better coverage in the riding position
  • Trouser connection zipper to prevent wind penetration

Specifications:

  • Class A protective clothing for motorcyclists (17092-4:2020)
  • Nucleon Flex Plus level 1 elbow and shoulder protectors
  • Tech-Air® airbag prepared (airbag not included)
Color: black/blue/red
Size: 4XL
Sport: Motorcycle
Tops Type: Jackets
Features: Waterproof, removable inner lining
Gender: Men
Material: Textile
Application area: Touring, Urban / City
Protection class (certification): Protection class A

Size table for Alpinestars ST-1 waterproof Motorcycle Textile Jacket:

Measurements in:
cm
Size Chest (cm) Waist (cm) Outer Arm (cm) Body Height (cm)
2XS 78 - 83 63 - 69 54,5 - 56 156 - 162
XS 83 - 88 69 - 75 56 - 57,5 162 - 168
S 88 - 94 75 - 81 57,5 - 59 168 - 174
M 94 - 100 81 - 87 59 - 60,5 174 - 180
L 100 - 106 87 - 93 60,5 - 62 180 - 186
XL 106 - 112 93 - 99 62 - 63,5 186 - 191
2XL 112 - 118 99 - 105 63,5 - 65 191 - 195
3XL 118 - 124 105 - 111 65 - 66,5 191 - 195
4XL 124 - 130 111 - 117 66,5 - 68 195 - 199
5XL 130 - 136 117 - 123 66,5 - 68 195 - 199
6XL 136 - 142 123 - 129 66,5 - 68 195 - 199

How to measure your height:

Sizing Info
1 Body height

To determine your exact height, stand on a flat surface without shoes, preferably with your back against a straight wall. Ensure that your head, shoulders and bottom are lightly touching the wall. Use a tape measure or folding rule and measure vertically from the highest point of your head (crown) to the sole of your foot. A second person can help you hold the tape measure straight and read the exact height.

2 Chest circumference

To measure your chest size correctly, place the measuring tape horizontally around your upper body at the fullest part of your chest. Ensure that the tape measure is not too tight and runs parallel to the floor. Breathe in and out normally to obtain a realistic measurement. It may be helpful to take the measurement in front of a mirror or ask a second person for assistance.

3 Waist circumference

The waist circumference is measured at the narrowest point of your torso – usually just above the navel. Ensure that the tape measure is horizontal and fits snugly, but does not cut into the skin. Breathe calmly and maintain a natural posture to obtain an accurate result.

4 Hip circumference

To measure your hip circumference, stand upright and wrap the tape measure horizontally around the widest part of your hips and buttocks. Ensure that the tape measure is flat and parallel to the floor. A second person or a mirror can help to take an accurate measurement.

5 Inside leg length

The inside leg length is measured along the inside of the leg from the crotch to the sole of the foot. Stand up straight, preferably barefoot. If possible, ask someone else to help you to obtain a more accurate measurement. A practical method is to measure a pair of trousers that fit well: Lay them flat and measure the inside leg length from the crotch to the bottom hem.

Reviews

3 out of 3 ratings

Average rating of 4.6 out of 5 stars


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3 reviews

29 January 2026 17:48

Rated 4 out of 5 stars

Versatile Jacket

I've now used this in wet and cold conditions and found it to be comfortable and waterproof. I particularly like the cuffs which allow you to get gloves either over or under the sleeves. The jacket wasn't as warm as I'd expected but probably a trade-off against the jacket not being too heavy. Next time out I'll add another base layer. Overall happy with the purchase

14 August 2025 15:44

Rated 5 out of 5 stars

Solid Jacket!

Good jacket! Looks awesome. XL was right size for me. • 5'11", 185 lbs Too hot for hot summer days. Waterproof material is also "windproof" I will say, so air is not really passing thru, even with the vents trap opened... Hard to ride with a jacket like this at 30°C. Ok for 20-25°C though. Have not tested the waterproof aspect yet.

29 January 2025 12:16

Rated 5 out of 5 stars

Very good

I wish they proved the product for tall people like me I have long arms and long legs .

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