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Glossary

Racquet Sports terms, explained

Short, plain definitions of the words you'll see on product pages and spec sheets. Each one links to a guide when there's more to know.

B

Balance
Where a racquet's weight sits, described as head-light, even or head-heavy. Read the guide →

C

Clay court
A slow, high-bouncing tennis surface that needs shoes with a herringbone outsole. Read the guide →
Closed throat
A teardrop squash racquet head with no bridge, giving a larger string bed and more power. Read the guide →

D

Diamond padel racket
A head-heavy padel shape built for power on smashes. Best for advanced players. Read the guide →
Double yellow dot
The slowest, lowest-bouncing squash ball, used by advanced and competitive players. Read the guide →

E

EVA core
The rubber foam inside a padel racket. Softer EVA gives more ball exit; harder EVA gives control. Read the guide →

G

Grip size
The circumference of the handle, from L0 (4 inches) to L5 (4 5/8 inches). Read the guide →

H

Head size
The area of a tennis racquet's string bed, in square inches. Larger heads give more power and a bigger sweet spot. Read the guide →
Hybrid stringing
Using one string type in the mains and another in the crosses. Read the guide →

L

Let
A rally that is replayed, for example in squash when a player's path to the ball is blocked. Read the guide →

M

Multifilament
A soft string made of many fibers, comfortable and arm-friendly. Read the guide →

O

Overgrip
A thin, replaceable wrap over the handle for tack, sweat absorption or a slightly larger grip. Read the guide →

P

Polyester string
A stiff monofilament string that gives control and spin but is harsh on the arm. Read the guide →

R

RA rating
A measure of a tennis racquet's frame stiffness. Higher numbers are stiffer. Read the guide →
Round padel racket
A padel shape with a low balance and centered sweet spot, best for control and beginners. Read the guide →

S

Shuttle speed
A rating on feather shuttlecocks that matches how fast they fly to altitude and temperature. Read the guide →
String pattern
The number of main and cross strings, such as 16x19 (open) or 18x20 (dense). Read the guide →
Sweet spot
The area of the strings that gives the most power and least vibration on contact. Read the guide →
Swingweight
How heavy a racquet feels when swung, combining weight and balance. Read the guide →

T

Teardrop padel racket
A padel shape that balances power and control. The usual choice for intermediate players. Read the guide →
Tennis elbow
Pain on the outside of the elbow from overuse. Softer strings and flexible frames can reduce shock. Read the guide →
Tension
How tightly strings are pulled, in pounds or kilograms. Lower tension adds power; higher adds control. Read the guide →

U

U rating
A badminton weight class. On Yonex racquets, 4U is about 80 to 84 g; higher numbers are lighter. Read the guide →