HEATJAC CORE™

The Foundational Thermal Performance Platform

HEATJAC CORE™ is the flagship wearable thermal management platform from HEATJAC, designed to help users remain comfortable, focused, and effective in demanding environments.

Originally developed by a physician to address thermal comfort challenges experienced by healthcare professionals working in cold operating rooms, HEATJAC CORE™ was created from a clinical understanding of how environmental conditions can affect comfort, concentration, and performance during long hours on the job.

Its patented wearable architecture provides a versatile foundation for multiple thermal management configurations without sacrificing mobility, fit, or comfort. Lightweight, low-profile, and designed for extended wear, HEATJAC CORE™ can be worn discreetly beneath scrubs, uniforms, workwear, tactical gear, or outdoor apparel.

Today, HEATJAC CORE™ is trusted across healthcare, industrial, commercial, outdoor, and recreational environments where maintaining comfort can directly impact performance, productivity, and endurance.

For applications requiring additional thermal support, HEATJAC CORE™ is compatible with optional heating and cooling accessories, allowing users to adapt to changing environmental conditions and personal comfort preferences while maintaining the same streamlined wearable platform.

Key Features

Patented Thermal Cell Architecture

HEATJAC CORE™ utilizes a patented wearable architecture designed to support configurable thermal management solutions while maintaining comfort, mobility, and a low-profile fit beneath workwear, uniforms, and outerwear.

Professional-Grade Thermal Platform

Originally developed to address thermal comfort challenges in healthcare environments, HEATJAC CORE™ serves as a versatile thermal wearable platform that can be adapted across medical, industrial, commercial, outdoor, and specialized applications. Its modular architecture allows users to tailor their thermal experience while maintaining comfort, mobility, and a professional appearance.

Thermal Cell Array™ Design

Strategically placed ventilation and thermal management zones support comfort during extended wear.

Ultra-Low Profile Construction

Designed to disappear beneath clothing, uniforms, scrubs, tactical gear, and outerwear.

Lightweight & Non-Restrictive

Allows natural movement without the weight and stiffness associated with traditional wearable thermal solutions.

Breathable Mesh Back Panel

Promotes airflow and comfort while reducing heat buildup during prolonged use.

Adjustable Fit System

Customizable straps and low-profile buckles provide a secure fit across a wide range of body types and applications.

Machine Washable

Built for real-world use and repeated wear across professional, tactical, and recreational environments.

Designed to Compatible with Heating and Cooling Accessories

HEATJAC CORE™ is designed as a versatile thermal management platform capable of supporting both warming and cooling accessory systems, allowing users to adapt to changing environmental conditions and personal comfort preferences.

Ideal Applications

• Healthcare & Surgical Environments

• Military & Defense Operations

• Law Enforcement

• First Responders

• Industrial & Manufacturing Facilities

• Warehousing & Logistics

• Construction & Utilities

• Outdoor Recreation

• Hunting & Fishing

• Hiking & Camping

• Skiing & Snowboarding

• Everyday Cold-Weather Use

What's Included

• HEATJAC CORE™ Thermal Wearable Platform

• Integrated Heat-Reflective Thermal Inserts

• Adjustable Fit Harness System

• Care & Fit Guide

Supplemental warming elements sold separately.

Warmth Without Bulk. Performance Without Compromise.

HEATJAC CORE™ delivers a smarter approach to thermal comfort by helping the body retain and utilize its own heat more efficiently. Whether you're standing through a lengthy procedure, operating in challenging conditions, working outdoors, or pursuing your next adventure, HEATJAC CORE™ provides the foundation for all-day thermal performance.