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Alpinestars Sierra Gore-Tex XCR Boots
  • Alpinestars Sierra Gore-Tex XCR Boots - Black/Brown

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Alpinestars Sierra Gore-Tex XCR Boots Videos

Alpinestars Sierra Gore-Tex XCR Boots

Incorporating the highly breathable and waterproof XCR membrane from GORE-TEX, the Alpinestars Sierra shoe is extremely durable and rugged, offering protective features built into its subtle outdoors design. With a technically constructed upper and Alpinestars exclusive rubber compound sole the Sierra is constructed to handle extreme temperature conditions.


  • Technical main upper construction featuring combined microfiber, durable synthetic leather panels on the heel and toe, breathable mesh inserts and TPU reinforcements for an extremely comfortable and hard-wearing boot
  • Ergonomic forefoot shaping design for better grip on the bike’s controls
  • Padding on tongue and collar provides high levels of comfort and fit around the ankle and instep
  • 3D mesh lining is strategically placed on the collar and top tongue area to provide high levels of breathability
  • Incorporates GORE-TEX waterproof and extremely breathable performance membrane XCR which is optimized for use in temperature extremes, on or off the bike
  • Flex insert on Achilles heel provides riding comfort and maneuverability
  • Secure, personalized and convenient closure fit thanks to lacing system and adjustable PU-tipped Velcro® strap across lower shin
  • Double density TPU ankle protector disks are layered under the upper for excellent protection against knocks
  • External TPU shift pad for durability and grip on bike’s controls
  • External TPR guards on the lateral and medial side help protect against abrasion and knocks
  • Internal toe box and heel counter are layered under the upper for more ergonomic design
  • Alpinestars exclusive rubber compound sole features performance sculpturing for excellent grip, flex and durability
  • Removable and replaceable EVA and Lycra foot-bed is anatomically profiled for added comfort and support
  • Hi-Vis reflective panel on rear improves visibility of rider

Alpinestars Men's Boot & Shoe Sizing

Euro USA
38 6
38.5 6.5
39 7
40 7.5
40.5 8
41 8.5
42 9
42.5 9.5
43 10
43.5 10.5
44 11
45 11.5
45.5 12
46 12.5
47 13
47.5 13.5
48 14

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How To Measure

FT Feet What size shoe do you wear?
Product Style RevZilla Item # Manufacturer Product # Availability
Black/Brown / 6 947101 2338014848-6 Out of Stock
Black/Brown / 6.5 947102 2338014848-6.5 Available: Requires 5-6 business days lead time prior to shipment
Black/Brown / 7 947103 2338014848-7 Out of Stock
Black/Brown / 7.5 947104 2338014848-7.5 Out of Stock
Black/Brown / 8 947105 2338014848-8 Out of Stock
Black/Brown / 8.5 947106 2338014848-8.5 Out of Stock
Black/Brown / 9 947107 2338014848-9 Out of Stock
Black/Brown / 9.5 947108 2338014848-9.5 Out of Stock
Black/Brown / 10 947109 2338014848-10 Out of Stock
Black/Brown / 10.5 947110 2338014848-10.5 Out of Stock
Black/Brown / 11 947111 2338014848-11 Only 1 Left: Ships within 24 hours
Black/Brown / 11.5 947112 2338014848-11.5 Out of Stock
Black/Brown / 12 947113 2338014848-12 Out of Stock
Black/Brown / 12.5 947114 2338014848-12.5 Out of Stock
Black/Brown / 13 947115 2338014848-13 Out of Stock
Black/Brown / 13.5 947116 2338014848-13.5 Out of Stock
Black/Brown / 14 947117 2338014848-14 Out of Stock


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Alpinestars Sierra Gore-Tex XCR Boots 4.5 5 13 13
Comfortable Very light and flexible without compromising on protection. Can be worn for long periods on and off the bike. July 7, 2016
Extremely comfortable boot This boot is extremely comfortable, and feels great both on and off the bike. The only complaint I have is the sizing runs very small. I typically wear a size 11 shoe, consistently across many brands, but I had to get a size 10 in this boot. Once I got the right size, I was blown away with how comfortable it is. June 13, 2016
Nice looking riding shoes ... I bought these just to have some variety and because I really liked the style/look. However, they do run a little narrow overall. I'm hoping they'll continue stretching out a bit as I wear them more. They certainly aren't as comfortable as my TCX EVO's but for the price (got them on discount), they are decent riding shoes. June 7, 2016
very good boot for the money Wanted a pair of boots that would be comfortable to walk around in and they did the job better than expected. Have ridden in the rain and they kept me dry. Had a couple of 80 degree days and they were cool. May 24, 2016
Fits great I wear a size 10 wide. I order a 9.5, they fit just fine. Just took them out of the box. Have walk around for a hour in the house, all ready broke-in. April 11, 2016
Alpinestars Sierra Gore-Tex XCR Boots I love this shoes. Great fit, very comfortable wearing all day. April 5, 2016
Great all around boot/shoe I dig these boots! I bought these as commuter boots to provide water proofing and also be on the cooler side as the typical w/p boots are not breathable generally. The soles are a bit on the stiff side and AP seems to be getting through this by having a lower ankle section at the rear of the boot to provide the ankle with enough room to travel. That being said, I am really digging these boots. They have been my daily commuters throughout this year and I have also taken them on a cross country ride of over 5600 miles and I have to say these boots were all I needed. When I first acquired these, I figured I would be putting insoles within to soften the impact on the foot. I have yet to do this and its been roughly 6-8 months. Overall these are a great buy and will get commuters through the day with little discomfort throughout all aspects of a downtown commuter/walker/rider usage. I also coach football and wear these throughout practice too. Definitely recommend! November 23, 2015
Stylish and dry! I got these after my last pair of waterproof shoes turned out to be too uncomfortable to wear all day at work. I saw these from Alpinestars, and since I'm happy with all the gear I've got from them, I gave them a shot. They fit the bill perfectly. I work comfortably in them all day, and come home with dry feet. And living in northern Florida, it rains every afternoon, so that's saying something. Very happy with these all around. And look cool to boot! Pun intended. September 9, 2015
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Have a functionality, fit, or otherwise product-specific question about the Alpinestars Sierra Gore-Tex XCR Boots? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

The Sierra is now the fraternal twin of something like the CR4 which is much more of a hiking inspired cortex boot.  The Sierra almost jokingly we call a tech commuter boot from Alpinestars because you're around $200, you're getting a good mix of protection, you're getting Gore-Tex which is waterproof breathable guaranteed for life.  The highest degree of waterproofness but if we really look at it, it's really kind of three season warm weather.  You have these mesh panels.  It's not going to be as insulated from the elements.  I really think it's a spring, summer, fall, dry and wet weather boot that has a touring flavor to it.  All in, I'm a fan of it.  It replaces something called the Africa which was part of the Alpinestars collection we saw previously and didn't quite know what it wanted to be.

This guy is much more defined in its placement as really this multi-season tech touring, tech commuting boot and it does have a less than stiff.  So I'm going to give it about a seven on the scale.  It's not really a hiking boot like that CR4 but it's going to be good enough to rock under our pair of jeans.  You could walk around it all day.  Now, fit side, no issues here.  Alpinestars gets the American market.  I find that I'm a 43 in it. I'm about a 9, 9 1/2 in a pair of Nike sneakers.  Again that's typically where I fall in Alpinestars race boots, Alpinestars touring boots.  Again, no issues there.  Remember we'll ship for free.  Let me hear your opinion too of the Alpinestars Sierra GTX.  Subscribe to us at RevZilla TV by clicking right there and leaving your comments or questions and your feedback.  Now diving into the boot itself, synthetic suede kind of pulling it all together.  You're going to see TPR at the toe moving in a lateral side along the edge.  Great low side protection.  A nice big TPR stitched on here as well on a different style with an A Star's logo. 

Moving in the back, hell counter that comes up, TPR reinforced ankle and heel cockpit which is a nice touch and looking up around the ankle great malleolus hard part.  That's that Fred Flintstone bone on the lateral side, on the medial side again encapsulated with leather and you also have this big strap that's not even covering any laces that just ties everything at the top.  It's going to keep on your foot in case of a crash scenario.  Now looking at the lace, reflectivity baked into the eyelet.  They are low profile and rounded.  I'd love to see them a little bit more covered.  But again then you'd be taken away from that reflectivity.  And then moving into your shift panel, notice duel recess stitching area of TPR, great for your controls.  And it does have a decently reinforced toe box.  I think they could have beef it up a little further but again you're looking right around the $200 mark.  So again they have to make some tradeoffs.

Mesh on the inside and remember behind that mesh it's not direct venting.  It's the Gore-Tex liner so it vents the Gore-Tex liner promoting faster evaporation.  So especially if your foot sweats in the summer time, this is going to be an awesome boot that's still waterproof but isn't going to get your foot wet if you get caught in a cloud burst.  Moving on to the guts here down into the sole, it is a two way grip sole.  Again flexible.  Really kind of an on the bike off the bike commuter style sole.