• CORE 2 Thermal Sensor
  • CORE 2 Thermal Sensor
  • CORE 2 Thermal Sensor
  • CORE 2 Thermal Sensor

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CORE 2 Thermal Sensor

Train smarter with real-time body temperature data.

Regular price
£249.99
Regular price
£264.95
Sale price
£249.99
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Description

The CORE 2 thermal sensor helps athletes understand how heat affects performance by tracking core body temperature during training and competition.

By monitoring temperature in real time, you can see how your body responds to effort, environmental conditions and pacing decisions. This allows you to adjust your strategy before overheating impacts performance.

Lightweight and designed for endurance sports, CORE 2 integrates with compatible training platforms and sports devices so you can view temperature alongside metrics like heart rate, pace and power.

Is This Right For You?

The CORE 2 sensor is designed for athletes who want deeper insight into how their body responds to heat and effort.

It can be especially valuable for:

  • Endurance athletes such as runners, cyclists and triathletes
  • Training or racing in hot or humid environments
  • Performance-focused athletes who want to optimise pacing
  • Anyone interested in advanced physiological training data

If you primarily want general fitness tracking or weight monitoring, a core temperature sensor may provide more data than you need.

Delivery & Returns

  • All orders are shipped from the UK via Royal Mail tracked delivery.
  • All orders of the Core 2 Thermal Sensor receive free shipping.
  • We offer free returns within 30-days of delivery, as long as the product is in its original condition and packaging.
WHY IT MATTERS

Train smarter with temperature insights

CORE 2 helps athletes understand how heat influences fatigue, pacing and performance. By tracking core body temperature during exercise, you can make better decisions about effort, hydration and recovery.

Track core body temperature

Monitor how your body responds to heat and effort during training.

Optimise pacing

Avoid overheating and maintain sustainable effort levels during endurance sessions.

Understand heat adaptation

See how your body adapts to hot conditions and track progress over time.

Designed for endurance athletes

Lightweight and built to integrate seamlessly into training routines.

How athletes use CORE data

  • Smarter pacing

    Use core temperature data to understand when effort is becoming unsustainable and adjust pace before overheating affects performance.

  • Heat adaptation

    Track how your body responds to hot conditions over time and train more effectively for warm-weather events.

  • Race-day decisions

    Use temperature insights alongside heart rate, pace or power to make better decisions about effort, hydration and endurance strategy.

good to know

Designed for real training environments

CORE 2 is designed to provide meaningful physiological insight without disrupting your training routine.

Lightweight and comfortable

Minimal impact on training sessions

The sensor attaches securely to a heart rate strap and remains comfortable during long workouts or races.

Compatible with training devices

Works alongside your existing metrics

CORE integrates with compatible sports watches, cycling computers and training platforms so you can analyse temperature alongside heart rate, pace and power.

Built for long-term use

Built for endurance sport

CORE 2 is durable enough for demanding training schedules and long endurance events.

Clear performance insights

Understand how heat affects performance

Temperature data helps athletes make smarter decisions about pacing, hydration and recovery strategies.

Ready to train with deeper insight?

Understanding how heat affects your body can unlock better pacing, improved endurance and more consistent performance. The CORE 2 thermal sensor gives athletes the data needed to manage effort and avoid overheating during training and racing.

Free returns · Free delivery · Secure checkout

Try it at home risk-free.

CORE 2 FAQs

Everything you need to know before buying

Learn more

What does the CORE 2 sensor measure?

CORE 2 estimates core body temperature during exercise, helping athletes understand how heat affects performance and endurance.

How is the CORE 2 worn?

The sensor attaches to a heart rate monitor strap and sits comfortably against the body during training sessions.

Who is the CORE 2 sensor designed for?

CORE 2 is designed primarily for endurance athletes such as runners, cyclists and triathletes who want deeper physiological insight during training.

Does CORE work with training devices?

Yes. CORE integrates with compatible sports watches, cycling computers and training platforms that support temperature data.

What happens if it isn't right for me?

Orders include free returns so you can try the sensor with confidence.

Delivery & Returns

Delivery

All orders are shipped from the UK via Royal Mail tracked delivery. Once your order is placed, you'll receive confirmation and tracking details so you know when to expect your CORE 2.

Returns

We want you to be confident in your purchase. If the CORE 2 isn’t right for you, you can return it free of charge within the 30-day returns period, provided it’s in its original condition.

CORE 2 Thermal Sensor

CORE 2 Thermal Sensor

Regular price
£249.99
Regular price
£264.95
Sale price
£249.99