In brief 💡
- On a motorcycle, your feet barely move: they produce little heat, and the wind from riding carries off the rest.
- A winter boot insulates, it doesn't heat: it keeps in warmth that a still foot no longer produces.
- The heat has to come from inside the boot, as close as possible to the toes, which get cold first.
- Set the heat before you get cold, at departure and at every stop.
- Battery life depends on the heat level: from 1.5 hours on high to 6 hours on low.
At G-HEAT, heated socks are designed so the ride can carry on when the road turns cold.
An hour on a country road. Your feet, resting on the footpegs, have hardly moved since you set off. The weather station showed 4°C, and the November sun has already disappeared behind the ridge.
You put on your winter boots, the thickest ones. Yet your toes went quiet first, and you can feel the gear lever less and less under the tip of your foot.
The boot isn't the problem. The problem is the foot itself, which stops producing heat during the ride. Here is how to choose, adjust and carry heated socks for motorcycling, so the ride goes the distance.
On a motorcycle, your feet hardly produce any heat anymore
Why do feet freeze first on a motorcycle? In the cold, the body constricts the small blood vessels in the skin to protect its organs. The extremities receive less warm blood, and a still foot can no longer compensate through effort.
On foot, every step warms the leg and toes a little. On a motorcycle, the foot stays put for dozens of kilometres. It only works to change gear or brake.
You feel the result after an hour: numb toes, then a foot that modulates the brake pedal less well. Cold feet are therefore not just a matter of comfort. They are also a matter of precision.
What the cold changes at the controls
A numb toe can no longer feel the gear lever. You hunt for neutral, you press the brake pedal too hard. Nothing serious on a straight road, but everything counts on a wet roundabout.
The rule is simple. If the cold interferes with your gear changes, stop somewhere safe and warm up before setting off again. Five minutes of pause is better than approximate braking.
The wind from riding carries off what's left
The wind adds its share. Météo-France explains it simply: it sweeps away the thin layer of air that the skin had warmed. On a motorcycle, you create that wind yourself by riding.
INRS gives an order of magnitude: at -5°C, a 45 km/h wind chills the body like still air close to -15°C. On a country road, that speed is exceeded quickly.
A wet boot cools faster than a dry one
Moisture makes everything worse. According to INRS, heat loss is about 25 times greater in water than in air. A sock soaked by a shower or by sweat becomes a poor insulator.
You know that moment when you wiggle your toes in your boot, without much result?
Frozen feet on the bike?
Heated socks under your boots
Are winter boots enough? They insulate, they don't heat
This is the most widespread misconception among riders. A winter boot, even an excellent one, only retains the heat that is already there. But a still foot produces very little: the boot has almost nothing to keep.
Adding thickness doesn't solve the problem. Road safety authorities (Sécurité routière) recommend waterproof boots that are flexible enough to feel the controls properly. The thicker the sole and lining, the less the tip of the foot perceives the gear lever.
Waterproofing counts double. INRS recommends well-insulated footwear and keeping feet dry.
A boot that lets in water soaks the sock, and moisture drains heat far faster than air. A dry boot at least keeps what the foot gives it.
A good boot therefore remains essential: it blocks wind and water, and it protects in a fall. But to keep the foot warm, you need a heat source inside. That is the role of the heated sock.
Socks or insoles: where to put the heat in the boot?
Should you choose heated socks or heated insoles for motorcycling? The sock heats under and over the toes, closest to the skin. Insoles heat the front of the foot from below and let you keep your usual socks.
The sock: under and over the toes
The toes are the end of the foot's blood circuit. They are the first to cool, from above as well as from below. A heated sock surrounds them, which suits long rides where the foot doesn't move.
Insoles: the front of the foot, with your usual socks
Some riders are attached to their wool socks. The THERMO heated insoles slide into the boot and heat the front of the foot. Their toe end can be trimmed to fit the boot, and a remote control adjusts the heat from a distance.
They are 9 mm thick at the heel and 6 mm at the toe. Check that there is enough room in the boot before adopting them. Other models are gathered among the heated insoles.
Cuff height and thickness: test them in your boots
A motorcycle boot often rises high on the shin. A tall-cuff sock then avoids a bulge above the boot top, and protects the leg from the wind that rides up. Always try the sock in the boot you will actually wear.
Also read: How to dress for winter motorcycling? The essential outfits!
Two socks for two ways of riding
Which heated sock should you choose for motorcycling? If you spend long hours in the saddle in tall boots, choose a thick, tall-cuff sock. If your rides alternate between road and walking, choose a sock designed for activity.
OUTDOOR: the tall cuff for long rides
On a two-hour ride, the foot waits without moving. The OUTDOOR heated socks respond with a thick knit, a 43 cm cuff in size 39/41 (EU) and heating under and over the toes. Their product page designates them for boots and high-top shoes, when the cold lasts and you stay still.
Their wireless remote changes the level without fumbling in the boot. The heel and toe are reinforced, where the boot rubs with every press.
Sport: the sock for rides that include walking
Some outings alternate road and walking, up to the viewpoint or the mountain hut. The Sport heated socks rely on a knit of wool and technical fibres, made to breathe. The heat is placed at the tip of the foot, and adjusted by button or by remote control.
Their battery sits in a zipped pocket accessible from the outside. For walking after the ride, their heel and calf reinforcements hold the foot in place.
"When I think of a motorcyclist, I first think of a foot that doesn't move for an hour. So I don't try to thicken the sock: I put the heat under and over the toes. The rest is up to the boot to keep."
Gwenaël Fournet, Product Engineer at G-HEAT
Back on the footpegs: turn up the heat before you get cold
Return to that hour spent on the footpegs. The right setting is made before departure and at every stop, never while riding. A foot that is already frozen takes a long time to warm up, whereas a foot kept warm stays warm.
At departure, switch the socks on at the high level for a few minutes. Before setting off, drop back to the medium level. Before a stretch of expressway, where the wind hits hardest, go back to the high level at the last stop.
The most treacherous moment is the end of the day. The light fades, the air cools, and you already have an hour of road in your legs. Have you ever been through that last stretch where the toes give up?
Learn more: Why do we get cold feet?
Warm feet, and the rest?
Heated gloves, jackets and socks for winter riding
Battery life on a long ride: prepare the battery before departure
How long do heated socks last on a motorcycle? On both the OUTDOOR and the Sport, expect five to six hours on the low level and three to four hours on the medium level. On the high level, the battery lasts from an hour and a half to two and a half hours.
The THERMO insoles claim the same durations, with built-in batteries. For a day-long ride, the medium level therefore remains the best compromise.
| Moment of the ride | Recommended level | What you're after |
|---|---|---|
| Departure, cold feet | High for a few minutes | Setting off with feet already warm |
| Road at moderate pace | Medium | Keeping warmth without draining the battery |
| Expressway, end of day | High | Offsetting the wind and the drop in temperature |
| Coffee break, walking | Low | Saving battery for the return |
| Ride of more than 4 h | Low or medium | Arriving with heat in reserve |
On a long ride, the battery makes the difference: in this short video, Gwenaël Fournet, product engineer at G-HEAT, shows how to look after it to keep its full battery life.
With or without batteries, and the spare battery
The OUTDOOR socks are sold with or without their batteries. They work with the glove batteries of 7.4 V and 2,200 mAh, which recharge in 4 to 5 hours. If you already own some, check the reference on the product page before ordering.
Cold also reduces the available capacity of a lithium battery, which recovers part of it once warmed. Store the spare battery in an inside jacket pocket, against your chest. Chargers and cables can be found among the batteries and chargers.
The right size is chosen with your boots
What size of heated socks should you take for motorcycling? Take your usual shoe size, then try the sock in your motorcycle boots. The toes should move freely, with no fold under the sole and no pressure on top.
The OUTDOOR and Sport socks come in four sizes, from 35/38 to 45/47 (EU). If you are between two sizes, look first at the space in the boot. The size guide appears on each product page.
The French Hiking Federation (FFRandonnée) makes the point for winter walking: toes that are too tight and damp socks favour the cold. On a motorcycle, the rule is the same, with even less movement to compensate.
A must-read: Heated insoles or heated socks: how to choose and why?
Warm feet, but also protected hands and torso
When the upper body is cold, the organism protects the core first, and the feet come after. A warm torso therefore helps your socks do their job. Heated jackets are worn under the riding jacket.
On the handlebar side, the RIDER heated motorcycle gloves complete the kit. Heated clothing should be thought of as a whole, from hands to toes.
Why choose G-HEAT for your winter motorcycle rides?
- Heat placed on the toes. That's where a still foot cools first, and that's where the sock heats.
- Remote adjustment. The remote control changes the level at the stop, without unlacing the boots.
- Two socks for two ways of riding. A thick, tall-cuff sock for long hours in the saddle, a sock designed for activity when the ride ends on foot.
- Battery life stated level by level. You know before leaving how much road your battery will last.
- A French brand born from a problem of cold extremities. Products designed by G-HEAT's product team, from the hands to the feet.
Conclusion: getting back on the November road with warm feet
The country road will be there next weekend, with its hour of riding and its early-setting sun. This time, your feet will stay on the footpegs without making themselves felt. A sock that heats under and over the toes, heat set at departure, a battery ready for the return.
Choose the OUTDOOR for long hours in the saddle, the Sport for rides that end on foot. And winter becomes a season when the motorcycle still comes out.
Whatever the weather. G-HEAT, whatever the weather.
FAQ: heated socks for motorcycling
Do you need to connect heated socks to the motorcycle's battery?
No, the OUTDOOR and Sport heated socks run on their own rechargeable batteries. No cable connects you to the motorcycle: you get off, walk and get back on without unplugging anything. Simply charge the batteries before leaving and bring a spare pair for a long ride.
Can you keep wearing heated socks to walk after the ride?
Yes, they can also be worn on foot. At a stop, when visiting a village or at a bivouac, lower the heat to the low level: walking already warms the foot. You keep battery for the return, when the cold comes back on the road.
Can you put two pairs of socks in your motorcycle boots?
It's rarely a good idea. Two layers reduce the space in the boot and compress the foot, which then cools faster. A single heated sock, in the right size, keeps the foot warm and leaves the toes free to feel the gear lever.
Are there heated motorcycle socks for small shoe sizes?
The OUTDOOR and Sport socks are unisex and start at size 35/38 (EU). A passenger or a female rider can therefore find her size in the same range. Try them with your boots: the toes should move without discomfort, with no fold under the sole of the foot.
Sources and references
[1] "Working in a cold thermal environment" ("Travailler dans une ambiance thermique froide"), INRS
[2] "Working in the cold. Preventing the risks" ("Travail au froid. Prévenir les risques"), INRS
[3] "What is the felt temperature?" ("Qu'est-ce que la température ressentie ?"), Météo-France
[4] "Motorised two-wheelers: the better equipped you are, the better protected you are" ("Deux-roues motorisés, + vous êtes équipé, + vous êtes protégé"), Sécurité routière
[5] "Hiking in winter" ("Randonner en hiver"), Fédération française de la randonnée pédestre
