Alpinestars Bionic Air Back Protector rings you a slimmer more ergonomic way to keep your back safe during motorsport activities. Double density honeycomb technology makes the Alpinestars Bionic Air Back Protector the best of the best in safety equipment. Molded to be better aligned to the spine, Bionic Air Back Protectors stay in contact with the body to provide the maximum of comfort and protection. Available in Black only.
CE Certified Level 1 to the LATEST back protector standard (prEN1621-2:2010) allowing a slimmer, more ergonomic design.
Innovative Dual Density Honeycomb Technology (DDH) combines two different honeycomb structures to offer lightweight impact protection with exceptional breathability and comfort:
Outer Honeycomb plate - Made of Polypropylene; provides an outer structure to protect the back from penetrating injuries, as well as dissipating impact force over a wider area;
Inner Honeycomb foam - Made from a special elastomeric compound, this light and flexible impact foam absorbs transferred energy.
The Bionic Air Back Protector has been tested to offer superior protection over a wide range of ambient temperatures.
Ergonomic protection plates contour to the natural curve of the back ensuring optimum fit and comfort while riding.
Protection plates have special lateral "wings" that flex to fit to the movement of the shoulder blades and wrap around the kidneys when in the riding position.
Adjustable elastic shoulder straps.
Wide waist featuring a dual Velcro® closure system.
ALPINESTARS
| Alpinestars Boots |
|---|
| US Size | Euro Size |
| 3 | 35 |
| 3.5 | 36 |
| 4 | 37 |
| 5 | 38 |
| 6 | 39 |
| 6.5 | 40 |
| 7.5 | 41 |
| 8 | 42 |
| 9 | 43 |
| 9.5 | 44 |
| 10.5 | 45 |
| 11.5 | 46 |
| 12 | 47 |
| 12.5 | 48 |
| 13 | 49 |
| 13.5 | 50 |
| Alpinestars Womens Boots |
|---|
| US Size | Euro Size |
| 5.5 | 36 |
| 6 | 37 |
| 7 | 38 |
| 8 | 39 |
| 8.5 | 40 |
| 9.5 | 41 |
| 10 | 42 |
| 11 | 43 |
PANTS AND JACKETS
Bust or Chest: measured around the fullest part of the chest
Waist: measured at the natural waist
Hip: measured at the widest part of the hips
Inseam: measured from the crotch to the floor
Height: natural height without shoes
WOMENS
| Alpinestars Womens Pants Sizes |
|---|
| Size | Waist | Hip | Inseam | Height |
| XS | 23.5" - 26.7" | 34.2" - 35.8" | 30" | 63" |
| SM | 26.7" - 28.7" | 36.6" - 38.2" | 31" | 64" |
| MD | 28.7" - 31.1" | 39" - 40.5" | 31" | 65" |
| LG | 31.1" - 33.5" | 41.2" - 43" | 32" | 66" |
| XL | 33.5" - 35.8" | 43.7" - 45.2" | 33" | 67" |
| 2X | 35.8" - 38.2" | 46" - 47.7" | 33" | 68" |
| Alpinestars Womens Textile Jacket Sizes |
|---|
| Size | Bust | Waist | Hip | Height |
| XS | 32.6" - 34.2" | 24.8" - 26.3" | 34.2" - 35.8" | 64 - 65" |
| SM | 35" - 36.6" | 27.1" - 28.7" | 36.6" - 38.2" | 65 - 67" |
| MD | 37.4" - 38.9" | 29.5" - 31.1" | 38.9" - 40.5" | 67 - 68" |
| LG | 39.7" - 41.3" | 31.9" - 33.4" | 41.3" - 42.9" | 68 - 69" |
| XL | 42" - 43.7" | 34.2" - 35.8" | 43.7" - 45.2" | 69 - 70" |
| 2X | 44.5" - 46" | 36.6" - 38.2" | 46" - 47.7" | 70 - 71" |
| Alpinestars Womens Leather Jacket Sizes |
|---|
| Euro Size | Bust | Waist | Hip | Height |
| 34 | 32.6" - 34.2" | 24.8" - 26.3" | 34.2" - 35.8" | 63" |
| 36 | 35" - 36.6" | 27.1" - 28.7" | 36.6" - 38.2" | 64" |
| 38 | 37.4" - 38.9" | 29.5" - 31.1" | 38.9" - 40.5" | 65" |
| 40 | 39.7" - 41.3" | 31.9" - 33.4" | 41.3" - 42.9" | 67" |
| 42 | 42" - 43.7" | 34.2" - 35.8" | 43.7" - 45.2" | 68" |
| 44 | 44.5" - 46" | 36.6" - 38.2" | 46" - 47.7" | 69" |
| 46 | 44.5" - 46" | 36.6" - 38.2" | 46" - 47.7" | 70" |
MENS
| Alpinestars Mens Pants Sizes |
|---|
| Size | US Size | Euro Size | Waist | Hip | Inseam | Height |
| XS | 28 | 44 | 29.8" | 36.2" | 30" | 69" |
| SM | 30 | 46 | 31.5" | 37.7" | 32" | 70" |
| MD | 32 | 48 | 33.1" | 39.8" | 34" | 71" |
| LG | 34 | 50 | 34.6" | 41" | 34" | 72" |
| XL | 36 | 52 | 36.2" | 42.5" | 36" | 73" |
| 2X | 38 | 54 | 37.7" | 44.1" | 36" | 75" |
| 3X | 40 | 56 | 39.4" | 45.6" | 38" | 76" |
| 4X | 42 | 58 | 41" | 47.2" | 38" | 77" |
| Alpinestars Mens Textile Jacket Sizes |
|---|
| Size | Chest | Waist | Hip | Height |
| XS | 35" - 36.6" | 28.7" - 30.2" | 35" - 36.6" | 67 - 69" |
| SM | 37.4" - 38.9" | 31.1" - 32.6" | 37.4" - 38.9" | 69 - 70" |
| MD | 39.7" - 41.3" | 33.4" - 35" | 39.7" - 41.3" | 70 - 71" |
| LG | 42.1" - 43.7" | 35.8" - 37.4" | 42.1" - 43.7" | 71 - 72" |
| XL | 44.5" - 46" | 38.1" - 39.7" | 44.5" - 46" | 72 - 73" |
| 2X | 46.8" - 48.7" | 40.5" - 42.1" | 46.8" - 48.4" | 73 - 75" |
| 3X | 49.2" - 50.7" | 42.8" - 44.5" | 49.2" - 50.7" | 75 - 76" |
| 4X | 51.6" - 53.1" | 45.2" - 46.8" | 51.8" - 53.1" | 76 - 77" |
| Alpinestars Mens Leather Jacket Sizes |
|---|
| Euro Size | Chest | Waist | Hip | Height |
| 46 | 36.6" | 29.8" | 36.6" | 69" |
| 48 | 37.4" | 31.5" | 37.4" | 70" |
| 50 | 39.3" | 33.1" | 39.8" | 71" |
| 52 | 41" | 34.6" | 41" | 72" |
| 54 | 42.5" | 36.2" | 42.5" | 73" |
| 56 | 44.1" | 37.7" | 44.1" | 75" |
| 58 | 45.6" | 39.4" | 45.6" | 76" |
| 60 | 47.2" | 41" | 47.2" | 77" |
RACING SUITS
| Alpinestars Mens Suits Sizes |
|---|
| Size | Waist | Hip | Inseam | Height |
| 36 | 29.8" | 36.2" | 30" | 69" |
| 38 | 31.5" | 37.7" | 32" | 70" |
| 40 | 33.1" | 39.8" | 34" | 71" |
| 42 | 34.6" | 41" | 34" | 72" |
| 44 | 36.2" | 42.5" | 36" | 73" |
| 46 | 37.7" | 44.1" | 36" | 75" |
| 48 | 39.4" | 45.6" | 38" | 76" |
| 50 | 41" | 47.2" | 38" | 77" |
|
| Alpinestars Womens Suits Sizes |
|---|
| Size | Bust | Waist | Hip | Inseam | Height |
| 34 | 31.5" | 23.5" | 33" | 30.2" | 63" |
| 36 | 33" | 25.2" | 34.7" | 31" | 64" |
| 38 | 34.7" | 26.7" | 36.2" | 31" | 65" |
| 40 | 36.2" | 28.2" | 37.7" | 32" | 67" |
| 42 | 37.7" | 30" | 39.2" | 32" | 68" |
| 44 | 39.2" | 31.5" | 41" | 32.7" | 69" |
| 46 | 41" | 33.2" | 42.5" | 33.5" | 70" |
GLOVES
To measure for Gloves: place a tape measure under your palm and measure from the knuckle of your forefinger to the knuckle of your pinkie finger. Note the measurement and compare it to the chart below.
| Alpinestars Glove Sizes |
|---|
| Measurement | Glove Size | Numeric Size |
| 2 1/8" - 2 5/8" | XS | 7 |
| 2 5/8" - 3 1/8" | SM | 8 |
| 3 1/8" - 3 5/8" | MD | 9 |
| 3 5/8" - 4 1/8" | LG | 10 |
| 4 1/8" - 4 5/8" | XL | 11 |
| 4 5/8" - 5 1/8" | 2X | 12 |
We do not guarantee fit. This sizing chart is a suggested guideline only.
