Boots
Football boots
Football boots are a personal piece of equipment, but the choice comes down to a clear set of categories — the type of stud, the surface the boot is made for, and the material of the upper. This guide explains each one.
What football boots have to do
A football boot has a small number of jobs — to grip the surface, to protect the foot, and to give the player a clean feel on the ball.
Grip is what separates a football boot from a normal trainer. The studs on the sole of the boot dig into the surface and stop the player from slipping when they sprint, turn or strike the ball. The right kind of stud depends on the surface — a stud that grips well on soft grass can be uncomfortable, or even dangerous, on a hard pitch or an artificial surface.
Beyond grip, the boot has to be light enough to play in for ninety minutes, snug enough to feel like part of the foot, and shaped so that the player can pass, shoot and control the ball with the inside, outside and laces of the boot. Modern boots are designed around all three at once, which is why so many small details — from the lacing pattern to the texture of the upper — are part of the boot.
Stud configurations
Football boots are sold in a small number of stud types, each made for a particular kind of surface. The abbreviations are usually printed on the sole or on the box.
FG — Firm Ground
Moulded plastic studs of a medium length, set into the sole. The most common type of boot and the default for grass pitches in good condition. FG boots are designed for natural grass that is neither very wet nor very dry.
SG — Soft Ground
Longer studs, usually metal and screwed into the sole, so they can be swapped out when they wear down. SG boots are designed for wet, muddy or freshly watered grass, where longer studs give extra grip. They are not suitable for hard or artificial surfaces.
AG — Artificial Grass
Shorter studs, more of them, made from harder rubber or plastic. AG boots are designed for artificial grass pitches, including 3G-style football turf used at many training grounds and community pitches.
MG — Multi-Ground
A hybrid stud pattern that works on firm natural grass and on artificial grass. MG boots are a popular choice for players who switch between pitch types, although they are not as well suited to either surface as a dedicated FG or AG boot.
TF — Turf
A dense pattern of small rubber studs, sometimes called astro boots. TF boots are made for older sand-based artificial pitches and dry, hard surfaces. They are also commonly used for casual play.
IC and IN — Indoor
A flat, non-marking rubber sole with no studs at all. Indoor boots are designed for futsal courts and sports halls, where studded boots would damage the floor and offer no advantage.
Matching boots to the surface
Choosing the right stud type is partly about performance and partly about safety.
The simple rule is to match the stud to the surface. Firm-ground studs on soft, wet grass leave the player slipping. Soft-ground metal studs on a dry, hard pitch transfer too much force into the player's joints and can damage both the boot and the surface. Artificial-grass boots on natural grass do not bite enough into the surface, while firm-ground boots on artificial grass can put extra stress on the studs and soleplate, and some facilities do not allow them.
Many players keep more than one pair of boots so they have the right type for the surface they are playing on. In elite football, players often change boots between halves if the pitch becomes wet or dries out. At grassroots level, a single pair of FG or MG boots will cover most natural-grass matches.
Some competitions and youth leagues restrict the use of metal studs entirely, or require studs to be inspected before kick-off. Referees are allowed to send a player off the field to change their boots if the studs are considered dangerous.
Upper materials
The upper is the part of the boot that wraps around the foot. The material of the upper changes how the boot feels on the ball, how heavy it is, and how it behaves in wet weather.
Leather
A classic upper material. Leather is soft, stretches to the shape of the foot, and gives a clean feel on the ball. It is heavier than synthetic materials and takes longer to dry out after a wet match. Calf leather is the most common type used in modern boots.
Kangaroo leather
A thinner, softer leather traditionally used in premium boots. Kangaroo leather offers a particularly snug fit and a very direct feel on the ball, although it has become less common as synthetic materials have improved. Some countries restrict the import of kangaroo leather.
Synthetic
A man-made material designed to mimic the qualities of leather while being lighter, more water-resistant and quicker to manufacture. Modern synthetic uppers can be moulded with textures that grip the ball, and they do not stretch over time in the way leather does.
Knitted and woven
A sock-like upper made from layered fibres, often combined with a stiffer base for stability. Knitted uppers wrap closely around the foot and are sometimes worn without traditional laces. They are very light but offer less protection in heavy challenges.
Fit and sizing
A football boot is meant to feel snug rather than loose. Most players wear boots that are slightly shorter than their normal shoes.
The aim is a fit that wraps the foot without pinching it. The boot should not allow the foot to slide forward when the player sprints or stops, and the toes should sit close to the front of the boot without pushing against it. Leather boots stretch slightly over the first few sessions, so they often feel tighter when new than they will after a few weeks. Synthetic and knitted boots stretch much less, so the fit they have out of the box is close to the fit they will keep.
For children and teenagers whose feet are still growing, it is common to size up by half a size to allow for growth. Going more than half a size up makes the boot too loose to be safe to play in, and the player is likely to lose feel on the ball and risk turning their ankle.
What the Laws say about boots
Boots are part of the players' equipment under Law 4 of the Laws of the Game.
Law 4 requires every player to wear footwear, but does not specify a particular type of boot. The main requirement is that the boots are safe — they must not have anything that endangers another player. This is why studs must be set into the sole without sharp edges, and why broken or worn-down studs can be ruled unsafe by the referee.
Beyond the Laws, individual competitions and national associations add their own rules. The most common addition is a restriction on metal studs in youth football, where soft-ground boots are sometimes banned outright. Some competitions also require studs to be inspected before kick-off, and referees can ask a player to change their boots at any time during a match if they have concerns.
How football boots have changed
The football boot has changed more than almost any other piece of equipment in the game.
Early football boots were heavy leather workboots, reinforced at the toe and with leather studs hammered into the sole. They were designed to survive a hard match more than to make play easier. Through the twentieth century, boots became lighter, lower-cut and shaped for movement, with replaceable screw-in studs introduced for soft grass.
The modern era of boot design began with the spread of synthetic uppers and lighter outsoles. From the 1990s onwards, boots were marketed for specific qualities — power, speed, control — and individual ranges were given dedicated names. Knitted and laceless uppers, which appeared in elite football during the 2010s, became widely used at professional level.
What to read next
Boots and the ball are the two pieces of equipment a player uses on every touch, so they are a natural pair to read about together.