W LABS PROJECT SHIFT 99 / 300
WILSON
Model:WIT12S3E4XX002
The future of modern tennis is disrupted thanks to the revolutionary creation of the Wilson Shift tennis racket. The first concept racket from W labs, the Shift 99/300 was specifically crafted to provide players with massive spin and controllable power.
Built around the insight of maximum lateral bending and best in class torsional stability, Shift allows players to hit the ball consistently deep in the court with increased confidence and spin on each shot. Shift 99/300 features a 16x20 string pattern for a balance of control, spin, and power.
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Stringing options

W LABS PROJECT SHIFT 99 / 300
W LABS PROJECT SHIFT 99 / 300
Men's Tennis Apparel
Size | Chest | Waist | Inseam |
S | 36-37 | 30-32 | 32 |
M | 38-39 | 33-34 | 32.5 |
L | 40-42 | 35-36 | 33 |
XL | 43-45 | 37-39 | 33.5 |
2XL | 46-48 | 40-42 | 34 |
Size | Chest | Waist | Inseam |
S | 91-94 | 77-81 | 81 |
M | 97-99 | 84-87 | 82 |
L | 102-107 | 90-92 | 84 |
XL | 109-114 | 94-99 | 84 |
2XL | 117-122 | 102-107 | 86 |
How to measure
Chest
Measure around the fullest part of the chest.
Waist
Measure around the natural waistline.
Seat
Measure around the fullest part of the seat.

Women's Tennis Apparel
Size | Bust | Waist | Hip | Inseam |
XS (0-2) | 31-32 | 25-26 | 34-35 | 79 |
S (4-6) | 33-34 | 69-71 | 91-94 | 80 |
M (8-10) | 90-92 | 74-77 | 96-102 | 81 |
L (12-14) | 94-97 | 79-81 | 104-110 | 82 |
XL (16-18) | 99-102 | 84-90 | 112-117 | 84 |
Size | Bust | Waist | Hip | Inseam |
XS (0-2) | 78-81 | 64-66 | 86-90 | 79 |
S (4-6) | 84-87 | 69-71 | 91-94 | 80 |
M (8-10) | 90-92 | 74-77 | 96-102 | 81 |
L (12-14) | 94-97 | 79-81 | 104-110 | 82 |
XL (16-18) | 99-102 | 84-90 | 112-117 | 84 |
How to measure
Bust
Measure around the fullest part of the bust.
Waist
Measure around the natural waistline.
Hip
Measure around the fullest part of the hip.

Boy's Tennis Apparel
Size | Bust | Waist | Seat | Height |
XS (6) | 23-24 | 22-23 | 24-25 | 46-48 |
S (7-8) | 26-27 | 23.5-24.5 | 27.5-28.5 | 49-54 |
M (10-12) | 27-28 | 25.5-26.5 | 29-30.5 | 55-59 |
L (14-16) | 30.5-32 | 28-29 | 32-34 | 60-64 |
XL (18-20) | 33-35 | 29.5-30.5 | 35-36.5 | 66-69 |
Size | Bust | Waist | Seat | Height |
XS (6) | 58-61 | 56-59 | 61-64 | 118-124 |
S (7-8) | 66-69 | 60-62 | 70-72 | 125-138 |
M (10-12) | 69-71 | 65-67 | 74-77 | 142-150 |
L (14-16) | 77-81 | 71-73 | 81-86 | 156-162 |
XL (18-20) | 84-89 | 75-77 | 89-92 | 169-175 |
How to measure
Chest
Measure around the fullest part of the chest.
Waist
Measure around the natural waistline.
Seat
Measure around the fullest part of the seat.

Girl's Tennis Apparel
Size | Chest | Waist | Hip | Height |
XS (6) | 23–24 | 22–23 | 24–25 | 46–48 |
S (7-8) | 26–27 | 23.5–24.5 | 27.5–28.5 | 49–52 |
M (10-12) | 28–30 | 25–26 | 30–32 | 53–57 |
L (14-16) | 32–34 | 28–30 | 34–36 | 58–62 |
Size | Chest | Waist | Hip | Height |
XS (6) | 58-61 | 56–58 | 61-64 | 118–124 |
S (7-8) | 66-69 | 60-62 | 70-72 | 125–133 |
M (10-12) | 71–76 | 64–66 | 76–81 | 135–145 |
L (14-16) | 81–86 | 71–76 | 86–91 | 148–158 |
How to measure
Bust
Measure around the fullest part of the bust.
Waist
Measure around the natural waistline.
Hip
Measure around the fullest part of the hip.

Men's Tennis Footwear
US | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 |
UK | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13.5 |
EU | 40 ⅓ | 41 | 41 ⅓ | 42 | 42 ⅔ | 43 ⅓ | 44 | 44 ⅔ | 45 ⅓ | 46 | 46 ⅔ | 47 ⅓ | 48 | 49 ⅓ |
US | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 |
UK | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13.5 |
EU | 40 ⅓ | 41 | 41 ⅓ | 42 | 42 ⅔ | 43 ⅓ | 44 | 44 ⅔ | 45 ⅓ | 46 | 46 ⅔ | 47 ⅓ | 48 | 49 ⅓ |
Women's Tennis Footwear
US | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 11 |
UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 9 |
EU | 36 ⅓ | 37 | 37 ⅔ | 38 ⅓ | 39 | 39 ⅔ | 40 ⅓ | 41 | 41 ⅓ | 42 | 43 ⅓ |
US | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 11 |
UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 9 |
EU | 36 ⅓ | 37 | 37 ⅔ | 38 ⅓ | 39 | 39 ⅔ | 40 ⅓ | 41 | 41 ⅓ | 42 | 43 ⅓ |
Junior Tennis Footwear
US | 11 | 12 | 13 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 |
UK | 10.5 | 11.5 | 12.5 | 13.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 |
EU | 28 ⅔ | 30 | 31 ⅓ | 32 ⅔ | 33 ⅓ | 34 | 34 ⅔ | 35 ⅓ | 36 | 36.5 | 37 | 37 ⅔ | 38 ⅓ | 39 |
US | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 11 |
UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 9 |
EU | 36 ⅓ | 37 | 37 ⅔ | 38 ⅓ | 39 | 39 ⅔ | 40 ⅓ | 41 | 41 ⅓ | 42 | 43 ⅓ |
Unisex - Footwear Conversion Chart
US (Men's) | 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 | 14 |
US (Women's) | 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 | 15.5 |
UK | 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 | 13.5 |
EUR | 36 ⅓ | 37 | 37 ⅔ | 38 ⅓ | 39 | 39 ⅔ | 40 ⅓ | 41 | 41 ⅓ | 42 | 42 ⅔ | 43 ⅓ | 44 | 44 ⅔ | 45 ⅓ | 46 | 46 ⅔ | 47 ⅓ | 48 | 49 ⅓ |
US (Men's) | 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 | 14 |
US (Women's) | 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 | 15.5 |
UK | 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 | 13.5 |
EUR | 36 ⅓ | 37 | 37 ⅔ | 38 ⅓ | 39 | 39 ⅔ | 40 ⅓ | 41 | 41 ⅓ | 42 | 42 ⅔ | 43 ⅓ | 44 | 44 ⅔ | 45 ⅓ | 46 | 46 ⅔ | 47 ⅓ | 48 | 49 ⅓ |
