ESSENTIAL INFORMATION
Meet the CORE 2 Thermal Sensor—the next generation in wearable bio-metric technology for elite athletes, endurance racers, researchers, and anyone serious about optimizing heat management and performance. Track your real-time core temperature during training, heat adaptation programs, or competition, empower smarter pacing, and reduce the risks of heat exhaustion or poor recovery.
Why CORE 2?
- Precision: Research-backed accuracy (mean difference -0.01°C to +0.23°C)
- Enhance performance: Use real-time thermal data for heat training, pacing, or research
- Plan and adapt: Safely boost hemoglobin mass and VO2 max through effective heat adaptation, or optimize your effort in real races
Key Features & Technical Specifications
- Compact & lightweight: Just 41.9 x 29.4 x 7.1mm (no clip), 8.6g; 45.1 x 32.6 x 9.6mm with clip, 11.4g
- Long battery life: 6 days of continuous use (up to 30 days standby mode)
- Power supply: USB-C magnetic charging cable (included)
- Connectivity: Bluetooth Low Energy (BLE) + ANT+ (2.4GHz)
- Waterproof: Up to 1.5m (IPX7 rating)
- Smart integration: Send live data to sports watches, cycling computers & apps (Garmin, Wahoo, COROS, and more)
- Environmentally friendly: Fully recyclable packaging
What’s in the Box?
- CORE 2 Thermal Sensor
- CORE 2 HRM Strap Clip
- Magnetic USB-C Charging Cable
- Product Information Guide
Why athletes, coaches, and researchers love CORE:
- Facilitate safer heat training sessions to amplify adaptation benefits
- Real-time analytics for better decision-making race-day and in training
- Backed by scientific validation and trusted across pro and Olympic teams
- If you are pregnant or breastfeeding, contact your doctor before taking this product.
- If you are going to undergo a scheduled surgical procedure, stop taking the product 2 weeks in advance and inform your doctor.
Shipping Information
We ship to Ireland, Northern Ireland, the United Kingdom, and all EU countries.
Shipping Costs
- Ireland & Northern Ireland:
Standard tracked shipping from €5
Express from €10
Free Standard Shipping on orders over €50 - United Kingdom:
Tracked delivery from €20 - European Union:
Standard EU delivery from €10
Priority from €20
Shipping costs are calculated at checkout based on destination, parcel weight, and chosen delivery service.
Handling & Dispatch Times
Orders are processed Monday–Friday (excluding public holidays).
- Orders placed before 12:00 (GMT) dispatch same business day
- Orders after 12:00 dispatch next business day
Estimated Delivery Times (after dispatch)
- Ireland & Northern Ireland: 1–3 business days (Standard), 1–2 business days (Express)
- United Kingdom: 2–5 business days
(Customs may extend delivery by 1–2 days.) - European Union: 3–7 business days (Standard), 1–3 business days (Priority)
All orders include full tracking, and tracking information is emailed after dispatch.
Customs & Duties
- No customs charges for Ireland or EU deliveries
- UK orders may be subject to VAT, import duties, or customs fees, payable by the customer
Returns & Right of Withdrawal
You may withdraw from your purchase within 14 days of receiving your order, in line with EU and Irish consumer law.
To start a return or withdrawal, email: info@endurancelab.ie
Return Conditions
Returned items must be:
- Unopened
- Unused and undamaged
- In original packaging
- Complete (including accessories and documentation)
Once you notify us, products must be returned within 14 days.
Return Address:
Briteshopper Limited / Endurance Lab Shop
6 Melita Ashgrove
Kill Avenue, Dun Laoghaire
A96VX46
Ireland
Include a copy of your invoice or order confirmation in the parcel.
Items Not Eligible for Return
For hygiene and safety reasons, the following cannot be returned:
- Opened packages
- Damaged or soiled items
- Products not in original packaging
- Used or partially consumed nutrition products
- Items returned incomplete
Refunds
Once the returned goods are received and inspected, refunds are issued within 14 days to the original payment method.
Return shipping costs are not refunded unless the item is faulty or sent in error.
Damaged, Wrong, or Missing Items
If your order arrives damaged, incorrect, or incomplete, contact info@endurancelab.ie within 48 hours.
If we are at fault, we cover return shipping and provide a replacement at no additional cost.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Unlock Smarter, Safer Training with Real-Time Thermal Data
