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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 13.5 / EU 49 2223017-1550-49Boot upper incorporates an innovative front and rear bellows and rear calf zone for superior levels of flexibility Boot upper is constructed from microfiber for durability and abrasion resistance Ergonomic forefoot streamlining enables greater control of the bike's controls and provides a superior, wide ranging foot profile for excellent fit and comfort Thermoplastic Polyurethane (TPU) lateral ankle brace provides a biomechanical support between the
- Boot upper incorporates an innovative front and rear bellows and rear calf zone for superior levels of flexibility
- Boot upper is constructed from microfiber for durability and abrasion resistance
- Ergonomic forefoot streamlining enables greater control of the bike's controls and provides a superior, wide-ranging foot profile for excellent fit and comfort
- Thermoplastic Polyurethane (TPU) lateral ankle brace provides a biomechanical support between the lateral top calf/shin and ankle and provides improved structural integrity, protection against impact shocks, repeated abrasion resistance and flex support
- Air vents on the heel counter and shin plate plus breathable mesh inserts improve comfort and reduce fatigue on the ride
- High modulus TPU-injected shin guard, calf protector, heel counter, shift pad, ankle brace and toe slider for improved shock protection and durability
- Double-density ankle protector on the medial side, layered under the upper, offers protective performance in key areas
- Integrated, replaceable bi-injected TPU slider features a new easy-screw fixing concept for quicker, easier replacement
- Innovative instep and Achilles accordion flex zone construction for superior comfort, extension, control and support
- Internal insole with shake reinforcement integrated for support to the arch area and foot protection
- Medial side entry opening/closure system features elastic-mounted zipper with wide hook-and-loop closure for flexibility and a secure fit
- Aperture opening is large to promote easy in/out of the boot
- Internal toe box protection is layered under the upper for durability, improved feel and performance Breathable textile interior lining features anti-sliding suede reinforcement on the heel area to help keep the foot in position while riding
- Removable anatomic footbed includes EVA and stretch fabric for performance, comfort and support
- Rubber compound sole promotes improved feel and grip, water dispersion and durability
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Great shoe!
Size: 5.5 Big Kid, Color: (106) Castlerock/Anthracite/Phoenix Fire
Great fit, very durable, excellent foot support, lots of great colors to choose from. We have had these for over 6 months and thy have not overstretched or come apart in any way. I am really pleased with these shoes for my child who is VERY hard on shoes and usually has sensory issues surrounding shoe comfort/tightness.
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Great fit for kids
Size: 10 Toddler, Color: Light Grey
We purchased the RUNSIDE Boys Girls Tennis Shoes for my child and have been really happy with them. They’re super lightweight and breathable, which is great for all-day wear and running around. My child says they’re comfortable, easy to put on, and don’t make their feet hot.
The shoes seem durable so far and have held up well with playground time, sports, and everyday use. They also look cute and match with a lot of outfits. The fit was true to size and the non-slip sole gives good traction.
Overall, these are a great affordable option for active kids and I would definitely buy them again!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
10/10
Size: 12 Little Kid, Color: Black
Super cute! Great fit, breathable and durable material on the top of the shoe, super versatile with the solid neutral color, easy to clean, and great traction on the bottom of shoes!
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Great shoes!
Size: 5 Big Kid, Color: Light Grass Green
This is my second time purchasing these shoes!
Not only are they stylish and well made, but they are comfortable! These have been used as running shoes, they have great support and suitable for long distances. The fit is true to size.
Thank you!
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Reviewed in the United States on April 16, 2026
★★★★★ 4
Shoe laces aren't great.
Size: 3 Big Kid, Color: Black White
I bought these RUNSIDE kids tennis shoes for everyday wear and school, and overall they’re lightweight, breathable, and comfortable for active use. My child liked how easy they were to put on, and they worked well for running and general play.
The shoes themselves feel flexible and pretty comfortable for the price point. The upper material is breathable, which helps during sports or warmer weather, and they don’t feel heavy on the feet.
However, the main issue is the original shoelaces. They constantly came untied no matter how they were tied, which became frustrating pretty quickly during the day. We ended up replacing them with better-quality laces, and that solved the problem.
Pros:
* Lightweight and comfortable for kids
* Breathable material works well for active use
* Easy for everyday wear and school
* Good fit for the price
Cons:
* Original shoelaces do not stay tied well
* Laces needed to be replaced for practical use
Overall, these are solid budget-friendly kids’ sneakers that work well once the laces are swapped out. The shoe itself is comfortable and functional, but the included laces are definitely a weak point.
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Reviewed in the United States on June 4, 2026