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Alpinestars 2223225-21-42 SMX-6 V3 Vented Boots 8 White/Black
Advanced microfiber upper construction with a dedicated laser perforated area for breathability offers light weight, high-performance protection Perforation padding on the entire boot for added ventilation and breathability Front flex and back flexion zones are constructed with textile over-injected with a soft TPU for enhanced impact abrasion resistance, while also promoting a natural forwards and backwards movement Unique ankle brace protection system provides a bio-mechanical support and protection between the lateral top calf, shin, and ankle for superior ankle articulation Lace-Lock System is constructed from an advanced polymer resin for a guaranteed quick, precise, and secure closure PU shifter zone for superior protection on the lower medial side Strategically positioned, race-derived TPU shin plate protector delivers superior impact and abrasion resistance Dual density TPU ankle protectors are strategically positioned between the upper and padded lining to provide protection in key areas CE certified to EN 13634:2017
Most orders ship same day! Multi Warehouse Shipping means most orders deliver in 1-3 business days!
Returns accepted within 30 days of delivery, we supply return label.
Returns that are opened, installed or returned in a condition different than we sent (including packaging) may be subject to deduction or denial.
Alpinestars Size Charts Mens | Womens | Youth — Footwear + Apparel MENS WOMENS YOUTH Sizing is a manufacturer guide only and does not guarantee a perfect fit. Measure yourself and compare to the charts. If you are between sizes, message us with your measurements before buying. MEN\'S SIZE CHART MEN\'S FOOTWEAR CONVERSION Euro 383940.5424344.545.5474849.55152 US 5678910111213141516 JPN MEN\'S APPAREL — HOW TO MEASURE A. Chest — Around the fullest part, under the armpits, tape horizontal.
B. Waist — Around the natural waist line, in line with the navel, tape horizontal.
C. Hip — Around the fullest part of the hips, about 20 cm below the waist, tape horizontal.
D. Thigh — Around the thigh just below the crotch, tape horizontal.
E. Inseam / Inner Leg — From the crotch to the bottom of the leg.
F. Outer Arm — From shoulder (humerus) to wrist.
G. Height — From the floor to the top of the head, tape vertical. MEN\'S APPAREL SIZE CHART (INCHES) Euro Size 40424446485052545658606264 Intl Size XXSXSSMLXLXXL3XL4XL U.S. Size 30323436384042444648505254 U.S. Pant 24262830323436384042444648 A. Chest 30 3/4-32 1/432 1/4-33 7/833 7/8-35 3/835 3/8-3737-38 5/838 5/8-40 1/840 1/8-41 3/441 3/4-43 1/443 1/4-44 7/844 7/8-46 1/246 1/2-4848-49 5/849 5/8-51 1/8 B. Waist 25 1/4-26 3/426 3/4-28 3/828 3/8-29 7/829 7/8-31 1/231 1/2-33 1/833 1/8-34 5/834 5/8-36 1/436 1/4-37 3/437 3/4-39 1/439 1/4-4141-42 1/242 1/2-44 1/844 1/8-45 5/8 C. Hip 31 1/8-32 5/832 5/8-34 1/434 1/4-35 7/835 7/8-37 3/837 3/8-3939-40 1/240 1/2-42 1/842 1/8-43 3/443 3/4-45 1/445 1/4-46 7/846 7/8-48 3/848 3/8-5050-51 5/8 D. Thigh 19 3/8-19 5/819 5/8-20 1/820 1/2-20 7/821 1/4-21 5/822-22 1/222 7/8-23 1/423 5/8-2424 3/8-24 3/425 1/4-25 5/826-26 3/826 3/4-27 1/827 1/2-2828 3/8-28 1/2 E. Inseam 28-28 3/428 3/4-29 1/829 1/2-29 7/830 3/8-30 3/431 1/8-31 1/231 7/8-32 1/432 5/8-33 1/833 1/2-33 7/834 1/4-34 5/835-35 3/835-35 3/835 7/8-36 1/435 7/8-36 1/4 F. Outer Arm 19 1/4-20 1/820 1/8-20 3/420 7/8-21 1/421 5/8-2222 1/2-22 7/823 1/4-23 5/824-24 3/824 3/4-25 1/425 5/8-2626 3/8-26 3/426 3/8-26 3/427 1/8-27 1/227 1/8-27 1/2 G. Height MEN\'S APPAREL SIZE CHART (CM) Euro Size 40424446485052545658606264 Intl Size XXSXSSMLXLXXL3XL4XL U.S. Size 30323436384042444648505254 U.S. Pant 24262830323436384042444648 A. Chest B. Waist C. Hip D. Thigh E. Inseam F. Outer Arm G. Height WOMEN\'S SIZE CHART WOMEN\'S FOOTWEAR CONVERSION Euro 3738394142 US 678910 JPN 2324252626.5 WOMEN\'S APPAREL — HOW TO MEASURE A. Chest — Around the chest under the armpits, tape horizontal.
B. Bust — Around the fullest part of the bust, tape horizontal.
C. Waist — Around the natural waist line, in line with the navel, tape horizontal.
D. Hip — Around the fullest part of the hips, about 20 cm below the waist, tape horizontal.
E. Thigh — Around the thigh just below the crotch, tape horizontal.
F. Inner Leg / Inseam — From the crotch to the bottom of the leg.
G. Outer Arm — From shoulder (humerus) to wrist.
H. Height — From the floor to the top of the head, tape vertical. WOMEN\'S APPAREL SIZE CHART (INCHES) Euro Size 36384042444648505254 Intl Size XXSXSSMLXLXXL3XL U.S. Size 024681012141618 U.S. Pant 22242628303234363840 A. Chest 29 1/8-30 3/430 3/4-32 1/432 1/4-33 7/833 7/8-35 3/835 3/8-3737-38 5/838 5/8-40 1/840 1/8-41 3/441 3/4-43 1/443 1/4-44 7/8 B. Bust 30 3/4-32 1/432 1/4-33 7/833 7/8-35 3/835 3/8-3737-38 5/838 5/8-40 1/840 1/8-41 3/441 3/4-43 1/443 1/4-44 7/844 7/8-46 1/2 C. Waist 22 7/8-24 3/824 3/8-2626-27 1/227 1/2-29 1/829 1/8-30 3/430 3/4-32 1/432 1/4-33 7/833 7/8-35 3/835 3/8-3737-38 5/8 D. Hip 32 1/4-33 7/833 7/8-35 3/835 3/8-3737-38 5/838 5/8-40 1/840 1/8-41 3/441 3/4-43 1/443 1/4-44 7/844 7/8-46 1/246 1/2-48 E. Thigh 19 5/8-20 1/820 1/2-20 7/821 1/4-21 5/822-22 1/222 7/8-23 1/423 5/8-2424 3/8-24 3/425 1/4-25 5/826-26 3/826 3/4-27 1/8 F. Inner Leg 28 3/8-28 3/429 1/8-29 1/229 7/8-30 3/830 3/4-31 1/831 1/2-31 7/832 1/4-32 5/833 1/8-33 1/233 1/8-33 1/233 7/8-34 1/433 7/8-34 1/4 G. Outer Arm 19 5/8-20 1/820 1/2-20 7/821 1/4-21 5/822-22 1/222 7/8-23 1/423 5/8-2424 3/8-24 3/424 3/8-24 3/425 1/4-25 5/825 1/4-25 5/8 H. Height WOMEN\'S APPAREL SIZE CHART (CM) Official CM chart is published against 8 international sizes (not every Euro column). Intl Size XSSMLXL2XL3XL4XL A. Chest B. Bust C. Waist D. Hip E. Thigh F. Inner Leg G. Outer Arm H. Height Euro reference: 36 / 38 / 40 / 42 / 44 / 46 / 48 / 50 / 52 / 54 | U.S. 0–18 | U.S. pant 22–40 YOUTH SIZE CHART YOUTH FOOTWEAR CONVERSION Euro 282930.532333435.537383940.542 US 1011121312345678 JPN 17.518.519.5202121.522.523242525.526.5 YOUTH APPAREL — HOW TO MEASURE A. Chest — Around the fullest part, under the armpits, tape horizontal.
B. Waist — Around the natural waist line, in line with the navel, tape horizontal.
C. Hip — Around the fullest part of the hips, about 20 cm below the waist, tape horizontal.
D. Thigh — Around the thigh just below the crotch, tape horizontal.
E. Inseam — From the crotch to the bottom of the leg.
F. Arm Length — From shoulder (humerus) to wrist.
G. Height — From the floor to the top of the head, tape vertical. YOUTH APPAREL SIZE CHART (INCHES) Size 120130140150 Intl Size SMLXL U.S. Size 22242628 Years 67-89-1011-12 A. Chest 23 7/8 - 25 3/425 3/4 - 27 3/427 3/4 - 29 3/429 3/4 - 31 3/4 B. Waist 21 1/4 - 22 7/822 7/8 - 24 3/824 3/8 - 2626 - 27 1/2 C. Hip 26 3/4 - 28 3/828 3/8 - 29 7/829 7/8 - 31 1/231 1/2 - 33 1/8 D. Thigh 15 3/4 - 16 1/216 1/2 - 17 3/817 3/8 - 18 1/818 1/8 - 18 7/8 E. Inseam 20 1/8 - 22 1/422 1/4 - 24 1/424 1/4 - 26 1/826 1/8 - 28 1/8 F. Arm Length 15 6/8 - 17 3/817 3/8 - 18 7/818 7/8 - 20 1/220 1/2 - 22 G. Height 47 1/4 - 51 1/851 1/8 - 55 1/855 1/8 - 5959 - 63 YOUTH APPAREL SIZE CHART (CM) Size 120130140150 Intl Size SMLXL U.S. Size 22242628 Years 67-89-1011-12 A. Chest 60.5 - 65.565.5 - 70.570.5 - 75.575.5 - 80.5 B. Waist 54 - 5858 - 6262 - 6666 - 70 C. Hip 68 - 7272 - 7675 - 8080 - 84 D. Thigh 40 - 4242 - 4444 - 4646 - 48 E. Inseam 51.1 - 56.556.5 - 61.561.5 - 66.566.5 - 71.5 F. Outer Arm 40 - 4444 - 4848 - 5252 - 56 G. Height 120 - 130130 - 140140 - 150150 - 160 Charts compiled from the official Alpinestars size guide. International alpha sizes do not line up 1-for-1 with every Euro column on the factory charts. Always go by body measurements when possible. Fit can vary by model (race suits, MX gear, touring jackets, etc.).
