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Alpinestars White S-MX Plus Boots - 2221011-20-37

  • Part #: 341832437
  • Manufacturer Part #: 2221011-20-37
This item is no longer available

Overview of Alpinestars White S-MX Plus Boots - 2221011-20-37

  • Contoured shin plate protectors are injected with high modulus TPU for superior impact and abrasion resistance
  • Alpinestars unique multi-link control system provides advanced external protection and support for ankle articulation, limiting hyper-torsion, hyper-extension and hyper-flexion as well as providing Achilles and ankle impact protection
  • Wide, ventilated, heel counters extend to the ankle and are combined with a shock absorbing padded insert and self-molding foam ankle protectors
  • Dual density, replaceable TPU toe sliders feature snap-in assembly
  • The new design provides more coverage toward the toe areas
  • Replaceable heel sliders and external side heel sliders are positioned to dissipate and absorb shock and promote sliding during an accident
  • Large front and rear asymmetrical accordion zones are optimized to maximize flexibility for maximum comfort and improved safety
  • Hi-tech microfiber boot upper construction with durable soles is designed for improved riding feel; features evenly textured rubber for consistent grip and aqua dynamic grooves to drain the water efficiently
  • Inner instep KevlaR&Rag; speed lacing closure and a unique lateral zipper offer a precise and secure fit
  • Elastic mounted zippers give easy closure with excellent fit
  • Hook-and-loop closure tabs lock the zipper pull closed, keeping it flat and secure
  • Micro adjustable ratchet buckle closure on the calf features a hidden strap for security
  • Synthetic forefoot lining, laminated with open cell foam for shock absorption and highly breathable lining in ankle and leg areas for comfort
  • Alpinestars anatomical and replaceable countered EVA footbeds provide arch support and forefoot pedal feeling
  • S-MX Plus boots are CE certified

Specs for Alpinestars White S-MX Plus Boots - 2221011-20-37

Age Adult
Color - Boot & Shoes White
Color - Primary White
European Size - Apparel 37
Gender Men's
Type - Boot/Shoe Boot - Sport Bike
U.S. Size - Boot & Shoes 4
Units Pair
Weight 6.25 lbs

Specs for Alpinestars White S-MX Plus Boots - 2221011-20-37

Age Adult
Color - Boot & Shoes White
Color - Primary White
European Size - Apparel 37
Gender Men's
Type - Boot/Shoe Boot - Sport Bike
U.S. Size - Boot & Shoes 4
Units Pair
Weight 6.25 lbs

Alpinestars Sizing Information

How to size
Sizes range Motocross : (Man - School)
US 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
EU 28 29 30.5 32 33 34 35.5 37 38 39 40.5 42 43 44.5 45.5 47 48 49.5 51 52
Sizes range Motocross 4W : (Lady) : Stella Tech-6 
US 6 7 8 9 10
EU 37 38 39 41 42
Sizes range Riding Shoes : (Man)  Ridge -Recon
US 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5
EU 34 34.5 35 35.5 36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43 43.5 44 45 45.5 46
Sizes range Road Racing - Touring (Man) : Super-Tech R - S-MX Plus - S-MX R - S-MX 4 - Vertex -Jet -Effex -Web -Roam
EU 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
US 3.5 4 5 6 6.5 7.5 8 9 9.5 10.5 11.5 12 12.5 13.5 14
Sizes range Riding Shoes (Man) Without JPN sizes :  F1 - Miglia - Smx-1 - Octane - One-O-One - Pit Shoes
US 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5
EU 34 34.5 35 35.5 36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43 43.5 44 45 45.5 46
Sizes range Motocross : (Man - School)
US 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
EU 28 29 30.5 32 33 34 35.5 37 38 39 40.5 42 43 44.5 45.5 47 48 49.5 51 52
Sizes range Motocross 4W : (Lady) : Stella Tech-6
US 6 7 8 9 10
EU 37 38 39 41 42
Sizes range Road Racing - Touring (Man) : Super-Tech R - S-MX Plus - S-MX R - S-MX 4 - Vertex -Jet -Effex -Web -Roam
EU 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
US 3.5 4 5 6 6.5 7.5 8 9 9.5 10.5 11.5 12 12.5 13.5 14
Sizes range Road Racing 4W : (Lady) Stella S-MX 4
EU 35 36 37 38 39 40 41 42 43 44
US 4 5 6 7 8 8.5 9 10 11 11.5
Sizes range Riding Shoes : (Man) Ridge -Recon
US 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14
EU 34 34.5 35 35.5 36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43 43.5 44 45 45.5 46 47 47.5 48
Sizes range Riding Shoes 4W : (Lady) Stella Ridge
US 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12
EU 36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43 43.5 44
Sizes range Riding Shoes (Man) Without JPN sizes : F1 - Miglia - Smx-1 - Octane - One-O-One - Pit Shoes
US 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15
EU 34 34.5 35 35.5 36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43 43.5 44 45 45.5 46 47 47.5 48 49 49.5
Sizes range Road Racing 4W : (Lady) Stella S-MX 4
EU 35 36 37 38 39 40 41 42 43
US 4 5 6 7 8 8.5 9 10 11
Sizes range Riding Shoes 4W : (Lady) Stella Ridge
US 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12
EU 36 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43 43.5 44

Fitment for Alpinestars White S-MX Plus Boots - 2221011-20-37

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Part 341832437 fits the following machines

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Instructions and Manuals for Alpinestars White S-MX Plus Boots - 2221011-20-37