MODERN DESIGN: A New visual design combines signature GST performance with a New-look for a New generation of talent.
DARK LEATHER FORMULA: Wilson’s Dark Leather Formula provides a firmer, traditional feel that is preferred by the pros.
HANDCRAFTED IN THE US: The same skilled craftspeople that make every NFL leather football also make every leather GST, resulting unmatched quality craftsmanship.
Age Group : Ages 14+
Reviews
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 |
INCH | 9.84 | 10 | 10.23 | 10.43 | 10.62 | 10.82 | 11.02 | 11.22 | 11.41 | 11.61 | 11.81 | 12 | 12.2 | 12.59 |
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 |
CM | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 30.5 | 31 | 32 |
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 |
INCH | 8.66 | 8.85 | 9.05 | 9.25 | 9.44 | 9.64 | 9.84 | 10 | 10.23 | 10.43 | 10.82 |
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 |
CM | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27.5 |
Junior Tennis Footwear
US | 1 | 2 | 3 | 4 | 5 | 6 |
UK | 13.5 | 1.5 | 2.5 | 3.5 | 4.5 | 5.5 |
EU | 32 ⅔ | 34 | 35 ⅓ | 36.5 | 37 ⅔ | 39 |
INCH | 7.67 | 7.99 | 8.3 | 8.66 | 9.05 | 9.44 |
US | 1 | 2 | 3 | 4 | 5 | 6 |
UK | 13.5 | 1.5 | 2.5 | 3.5 | 4.5 | 5.5 |
EU | 32 ⅔ | 34 | 35 ⅓ | 36.5 | 37 ⅔ | 39 |
CM | 19.5 | 20.3 | 21.1 | 22 | 23 | 24 |
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 |
