Luxilon
ALU Power Soft 17G Tennis String Reel Silver
ALU Power Soft 17G Tennis String Reel Silver
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Luxilon Big Banger ALU Power Soft Silver combines great durability with impressive power and amazing control. The string improves on itself by providing a softer feel than ALU Power, while still maintaining all of its playability. The aluminum present in Big Banger ALU Power is unique to the Luxilon line, giving the string a softer feel and more playability. The co-poly construction of the string helps to retain tension and deliver a new level of elasticity never seen before from a durability string. The Luxilon line of strings has forever changed today's professional tennis. It allows players of all levels to take full cuts, creating generous amounts of spin without a loss of control. ALU Power is best suited to the player that prefers the baseline and takes fast, full swings looking to generate power and spin.
Construction: Extruded Polyester Monofilament
Color: Silver
Gauge: 16 L / 1.25 mm
Length: 660 ft / 200 m
For more information on strings, see our following blog posts:
The Diamond Anniversary: Luxilon €™s Limited Edition Alu Power Tennis String
10 Best Soft Co-Poly Strings to Try
Need help selecting a string? Check out our Choosing The Right Tennis String guide for more assistance.
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Quick INFO
Shipping Information
Shipping within the United States
We currently offer Standard Shipping to addresses within the United States.
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Shipping Method: USA Standard
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Delivery Time: 3–4 business days (Monday–Friday, excluding holidays)
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Shipping Cost: $20.00 flat rate per order
Order Processing
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Orders are processed within 1–2 business days after payment is received.
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Orders placed after 2:00 PM MST or on weekends will be processed the next business day.
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You will receive a shipping confirmation email with tracking information once your order has shipped.
Shipping Restrictions
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We currently ship to the contiguous United States only.
Delays and Exceptions
While we strive to meet our delivery estimates, please note that shipping times may be affected by weather conditions, carrier delays, or high order volumes during holidays.
Lost or Damaged Packages
If your package arrives damaged or is lost in transit, please contact us within 7 business days of the expected delivery date at info@bellracketstore.com or (719) 100-3312 so we can assist you with a replacement or claim.
Bell Racket Sport is committed to delivering your order safely and promptly. Thank you for shopping with us!
Return & Refund Info
Returns and Exchanges
At Bell Racket Store, your satisfaction is our priority. If you are not completely satisfied with your purchase, you may return or exchange most new, unused items within 30 days of the purchase date for a full refund or store credit.
Conditions for Returns
To qualify for a return or exchange:
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Items must be in new, unused, and resalable condition.
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Items must include original packaging, tags, and proof of purchase (receipt or order confirmation).
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Returns must be initiated within 30 calendar days of the purchase or delivery date.
Non-Returnable Items
The following items cannot be returned or exchanged:
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Gift cards
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Clearance or final sale items
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Customized or special-order products
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Used or damaged merchandise not due to manufacturing defects
Return Process
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In-Store Returns: Bring your item(s) and receipt to our store at
114 North Tejon Street, Colorado Springs, CO 80903. -
Mail Returns: Contact us at info@bellracketstore.com or (719) 100-3312 to obtain a return authorization. Ship the item(s) securely to the address above.
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Customers are responsible for return shipping costs unless the return is due to an error or defective product.
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Refunds
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Refunds will be issued to the original form of payment within 4 business days after the returned item is received and inspected.
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If the product was a gift, store credit may be issued to the recipient.
Exchanges
If you wish to exchange an item for a different size, color, or model, please contact us to arrange the exchange within the 30-day return period.
Defective or Damaged Items
If you receive a defective or damaged item, please contact us immediately at info@bellracketstore.com with your order details and photos of the issue. We will arrange for a replacement or refund at no cost to you.
Bell Racket Store reserves the right to refuse returns that do not meet the conditions above.
Thank you for shopping with us!
Size Guide
Women's Shoe Sizing Chart
| Length of Foot (Inches) | Length of Foot (Centimeters) | US Size | Shoe Size | A | B (Standard) | C |
|---|---|---|---|---|---|---|
| 8 1/2 | 21.6 | 5 | 5 | 2.6" | 2.8" | 3.0" |
| 8 2/3 | 22.0 | 5 1/2 | 5 1/2 | 2.7" | 2.9" | 3.1" |
| 8 5/6 | 22.4 | 6 | 6 | 2.8" | 2.9" | 3.1" |
| 9 | 22.9 | 6 1/2 | 6 1/2 | 2.8" | 3.0" | 3.2" |
| 9 1/16 | 23.3 | 7 | 7 | 2.9" | 3.1" | 3.3" |
| 9 1/3 | 23.7 | 7 1/2 | 7 1/2 | 2.9" | 3.1" | 3.3" |
| 9 1/2 | 24.1 | 8 | 8 | 3.0" | 3.2" | 3.4" |
| 9 2/3 | 24.6 | 8 1/2 | 8.1/2 | 3.1" | 3.3" | 3.4" |
| 9 5/16 | 25 | 9 | 9 | 3.1" | 3.3" | 3.5" |
| 10 | 25.4 | 9 1/2 | 9 1/2 | 3.2" | 3.4" | 3.6" |
| 10 1/6 | 25.8 | 10 | 10 | 3.3" | 3.4" | 3.6" |
| 10 1/3 | 26.2 | 10 1/2 | 10 1/2 | 3.3" | 3.5" | 3.7" |
Men's Shoe Size Chart
| Length of Foot (Inches) | Length of Foot (Centimeters) | US Size | Shoe Size | C | D (Standard) | E |
|---|---|---|---|---|---|---|
| 9 1/3 | 23.7 | 6 | 6 | 3.3" | 3.5" | 3.7" |
| 9 1/2 | 24.1 | 6 1/2 | 6 1/2 | 3.3" | 3.6" | 3.8" |
| 9 2/3 | 24.6 | 7 | 7 | 3.4" | 3.6" | 3.8" |
| 9 4/5 | 25 | 7 1/2 | 7 1/2 | 3.4" | 3.7" | 3.9" |
| 10 | 25.4 | 8 | 8 | 3.5" | 3.8" | 3.9" |
| 10 1/6 | 25.8 | 8 1/2 | 8 1/2 | 3.6" | 3.8"` | 4.0" |
| 10 1/3 | 26.2 | 9 | 9 | 3.6" | 3.9" | 4.1" |
| 10 1/2 | 26.7 | 9 1/2 | 9 1/2 | 3.7" | 3.9" | 4.1" |
| 10 2/3 | 27.1 | 10 | 10 | 3.8" | 4.0" | 4.2" |
| 10 5/6 | 27.5 | 10 1/2 | 10 1/2 | 3.8" | 4.1" | 4.3" |
| 11 | 27.9 | 11 | 11 | 3.9" | 4.1" | 4.3" |
| 11 1/6 | 28.4 | 11 1/2 | 11 1/2 | 3.9" | 4.2" | 4.4" |
| 11 1/3 | 28.8 | 12 | 12 | 4.0" | 4.3" | 4.4" |
| 11 1/2 | 29.2 | 12 1/2 | 12 1/2 | 4.1" | 4.3" | 4.5" |
| 11 2/3 | 29.6 | 13 | 13 | 4.1" | 4.4" | 4.6" |
Men's to Women's Conversion Chart
| Men's | Women's |
|---|---|
| 3.5 | 5 |
| 4 | 5.5 |
| 4.5 | 6 |
| 5 | 6.5 |
| 5.5 | 7 |
| 6 | 7.5 |
| 6.5 | 8 |
| 7 | 8.5 |
| 7.5 | 9 |
| 8 | 9.5 |
| 8.5 | 10 |
| 9 | 10.5 |
| 9.5 | 11 |
| 10 | 11.5 |
International Shoe Size Conversion Charts
Men
| Nike | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.0 | 13.5 | 14.0 | 15.0 |
| UK | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.0 | 14.0 |
| EUR | 40.0 | 40.5 | 41.0 | 42.0 | 42.5 | 43.0 | 44.0 | 44.5 | 45.0 | 45.5 | 46.0 | 47.0 | 47.5 | 48.0 | 48.5 | 49.5 |
| CM | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 | 28.5 | 29.0 | 29.5 | 30.0 | 30.5 | 31.0 | 31.5 | 32.0 | 33.0 |
| adidas | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.0 | 14.0 | 15.0 |
| UK | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.5 | 14.5 |
| EUR | 39 1/3 | 40 | 40 2/3 | 41 2/3 | 42 | 42 2/3 | 43 1/3 | 44 | 44 2/3 | 45 1/3 | 46 | 46 2/3 | 47 1/3 | 48 | 49 1/3 | 50 2/3 |
| Asics | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 | 14.0 |
| EUR | 40.0 | 40.5 | 41.5 | 42.0 | 42.5 | 43.5 | 44.0 | 44.5 | 45.0 | 46.0 | 46.5 | 48.0 | 49.0 |
| CM | -- | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 | -- | 28.5 | 29.0 | 29.5 | 30.5 | 31.0 |
| Fila | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 | 14.0 |
| UK | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 12.0 | 13.0 |
| EUR | 39.5 | 40.0 | 41.0 | 41.5 | 42.0 | 42.5 | 43.0 | 44.0 | 44.5 | 45.0 | 46.0 | 47.0 | 48.0 |
| CM | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 | 28.5 | 29.0 | 29.5 | 30.0 | 31.0 | 32.0 |
| Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 | 14.0 |
| UK | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 12.0 | 13.0 |
| EUR | 40.0 | 40.5 | 41.0 | 42.0 | 42.5 | 43.0 | 44.0 | 44.5 | 45.0 | 45.5 | 46.0 | 47.5 | 48.5 |
| CM | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 | 28.5 | 29.0 | 29.5 | 30.0 | 31.0 | 32.0 |
| K-Swiss | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 |
| UK | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 12.0 |
| EUR | 39.0 | 39.5 | 40.0 | 41.0 | 41.5 | 42.0 | 42.5 | 43.0 | 44.0 | 44.5 | 45.0 | 46.0 | 47.0 |
| New Balance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.0 | 14.0 | 15.0 |
| UK | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.5 | 14.5 |
| EUR | 40.0 | 40.5 | 41.5 | 42.0 | 42.5 | 43.0 | 44.0 | 44.5 | 45.0 | 45.5 | 46.5 | 47.0 | 47.5 | 49.0 | 50.0 |
| Prince | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 | 14.0 |
| UK | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 12.0 | 13.0 |
| EUR | 38.0 | 38.5 | 39.0 | 40.0 | 40.5 | 41.0 | 42.0 | 42.5 | 43.0 | 44.0 | 44.5 | 45.0 | 45.5 | 47.0 | 48.0 |
| CM | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.0 | 27.0 | 27.5 | 28.0 | 28.5 | 29.0 | 29.5 | 30.0 | 31.0 | 32.0 |
| Reebok | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.0 | 14.0 | 15.0 |
| UK | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 | 14.0 |
| EUR | 38.5 | 39.0 | 40.0 | 40.5 | 41.0 | 42.0 | 42.5 | 43.0 | 44.0 | 44.5 | 45.0 | 45.5 | 46.0 | 47.0 | 48.5 | 50.0 |
| CM | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 | 28.5 | 29.0 | 29.5 | 30.0 | 30.5 | 31.0 | 32.0 | 33.0 |
| Wilson | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.0 | 13.0 | 14.0 |
| UK | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 | 11.5 | 12.5 | 13.5 |
| EUR | 39 | 39 2/3 | 40 1/3 | 41 | 41 1/3 | 42 | 42 2/3 | 43 1/3 | 44 | 44 2/3 | 45 1/3 | 46.0 | 46 2/3 | 48 | 49 1/3 |
| CM | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 | 28.5 | 29.0 | 29.5 | 30.0 | 31.0 | 32.0 |
Women
| Nike | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 |
| UK | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 |
| EUR | 36.0 | 36.5 | 37.5 | 38.0 | 38.5 | 39.0 | 40.0 | 40.5 | 41.0 | 42.0 | 42.5 | 43.0 |
| CM | 22.5 | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 |
| adidas | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 |
| UK | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 |
| EUR | 37 1/3 | 38 | 38 2/3 | 39 1/3 | 40 | 40 2/3 | 41 1/3 | 42 | 42 2/3 | 43 1/3 | 44 |
| Asics | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| USA | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
| EUR | 37.0 | 37.5 | 38.0 | 39.0 | 39.5 | 40.0 | 40.5 | 41.5 | 42.0 |
| CM | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | -- | 26.0 | 26.5 |
| Fila | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| USA | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
| UK | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 |
| EUR | 36.5 | 37.5 | 38.0 | 38.5 | 39.0 | 39.5 | 40.0 | 41.0 | 42.0 |
| CM | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 |
| Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 11.0 |
| UK | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.5 |
| EUR | 36.5 | 37.5 | 38.0 | 38.5 | 39.0 | 40.0 | 40.5 | 41.0 | 42.0 | 43.0 |
| CM | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 28.0 |
| K-Swiss | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 11.0 |
| UK | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 9.0 |
| EUR | 35.5 | 36.0 | 37.0 | 37.5 | 38.0 | 39.0 | 39.5 | 40.0 | 41.0 | 41.5 | 42.0 | 43.0 |
| New Balance | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 11.0 |
| UK | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 9.0 |
| EUR | 36.0 | 36.5 | 37.0 | 37.5 | 38.0 | 39.0 | 40.0 | 40.5 | 41.0 | 41.5 | 43.0 |
| Prince | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 11.0 |
| UK | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 9.0 |
| EUR | 35.0 | 36.0 | 36.5 | 37.0 | 38.0 | 38.5 | 39.0 | 40.0 | 40.5 | 41.0 | 42.0 | 43.0 |
| CM | 22.0 | 22.5 | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 28.0 |
| Reebok | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 |
| UK | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 |
| EUR | 36.0 | 37.0 | 37.5 | 38.0 | 38.5 | 39.0 | 40.0 | 40.5 | 41.0 | 42.0 | 42.5 |
| CM | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 |
| Wilson | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | 5 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.5 | 11.0 |
| UK | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 |
| EUR | 35 2/3 | 36 1/3 | 37 | 37 2/3 | 38 1/3 | 39 | 39 2/3 | 40 1/3 | 41 | 41 1/3 | 42 | 42 2/3 | 43 1/3 |
| CM | 22.0 | 22.5 | 23.0 | 23.5 | 24.0 | 24.5 | 25.0 | 25.5 | 26.0 | 26.5 | 27.0 | 27.5 | 28.0 |
