BRONNCO: Core Warmer
Microwaveable Heat Wrap for Targeted Muscle Relief
The BRONNCO Core Warmer delivers sustained, natural heat designed to relieve muscle tension, ease stiffness, and support recovery. This reusable microwaveable heat wrap provides targeted core warmth for cramps, cold sensitivity, and everyday discomfort.
BRONNCO Core Warmer, Microwaveable Heat Wrap for Muscle Relief
Engineered Relief, Thoughtfully Crafted
“Relief is not a luxury, it is a necessity.”
Surabhi Sharma, CEO and Co founder
Born in Louisville, where design meets science, SUSH creates microwaveable heat therapy essentials designed to ease tension, relieve muscle stiffness, support recovery, and restore everyday comfort.
Every SUSH warmer is handcrafted and finished in Louisville, Kentucky. Each grain is meticulously cleaned and heat treated to ensure lasting freshness and hygiene. These natural fillings are combined with breathable, durable fabrics engineered to store and release heat evenly across the body.
No wires.
No batteries.
No chemicals.
No waste.
Just sustained, natural heat designed to support real relief.
Our cotton interior layers hold therapeutic warmth comfortably against the body, while breathable microfiber exteriors provide a soft, smooth finish built for daily use. Every detail, from weight distribution to fabric selection, is intentional and performance driven.
In just one month of regular use, our warmers pay for themselves. Each microwave cycle uses less energy than traditional electric heating pads, lowers your footprint, and delivers reliable relief naturally.
Whether you are easing muscle tension, calming cramps, warming cold feet before bed, or supporting recovery after activity, SUSH is here to make comfort effective and dependable.
Engineered for relief.
Handcrafted with care.
Made in Louisville, Kentucky.
BRONNCO Core Warmer
Microwaveable Heat Wrap for Targeted Muscle Relief
Athlete’s favorite, powerful relief wherever you need it.
The BRONNCO Core Warmer delivers targeted, sustained heat designed to relax sore muscles, ease tension, and support recovery whether you are training hard, working long hours, or managing everyday stiffness.
Inspired by strength and endurance, the BRONNCO is built for performance and comfort. Its compact design makes it ideal for heat therapy on the go while still providing deep, consistent warmth to your core, abdomen, lower back, or shoulders.
This is therapeutic heat made simple.
Why It Works
Provides 30 to 45 minutes of sustained, natural heat
Fully reheats in just 90 seconds in a standard microwave
Designed for targeted muscle relief and warmth
Compact and travel friendly
Ideal for workouts, recovery, cramps, stiffness, and cold sensitivity
No cords, no batteries, no chemicals, just clean microwaveable heat therapy.
Designed for Comfort and Performance
The inner component is crafted from 100 percent cotton, holding natural heat comfortably against the body. The breathable microfiber outer layer provides a soft, smooth feel for extended use.
Net weight approximately 800 grams
Dimensions approximately 7 by 9 inches
Sized intentionally for core support and portability.
How to Use
Place in a standard microwave for 90 seconds.
Apply directly to the desired area.
Enjoy up to 45 minutes of consistent warmth.
For use as a microwaveable heat wrap only.
Enhance Your Relief
Pair with SUSH Refresh aromatherapy sprays or essential oils to enhance therapeutic heat and support deeper relaxation.
Why SUSH?
Engineered Comfort, Thoughtfully Crafted
“Warmth is not a luxury, it is a necessity.”
Surabhi Sharma, CEO and Co founder
Born in Louisville, where design meets science, SUSH creates microwaveable heat therapy essentials that warm cold hands, revive tired muscles, ease tension, and support everyday comfort.
Every SUSH warmer is handcrafted and finished in Louisville, Kentucky. Each grain is meticulously cleaned and heat treated to ensure lasting freshness and hygiene. We combine these natural fillings with breathable, durable fabrics designed to store and release heat evenly.
No wires.
No batteries.
No chemicals.
No waste.
Just natural, sustained warmth refined by nature and perfected through thoughtful engineering.
Our cotton interior layers hold heat comfortably against the body, while breathable microfiber exteriors provide a soft, smooth finish designed for daily use. Every detail is intentional, from fabric selection to weight distribution, ensuring reliable therapeutic heat you can trust.
In just one month of regular use, our warmers pay for themselves. Every microwave cycle saves energy compared to electric heating pads, lowers your footprint, and delivers comfort naturally.
Whether you are easing muscle tension, warming cold feet before bed, recovering after activity, or gifting comfort to someone you love, SUSH is here to make small moments of care last longer.
Engineered comfort.
Handcrafted warmth.
Made with care in Louisville, Kentucky.
Bundle it up & save more
BRONNCO Collection
Frequently asked questions
Place the product flat and evenly distribute the rice on a tidy microwave-safe plate. The heating time varies between 30 seconds and 3 minutes, dependent on the product. Look at individual product details for exact timings.
Our products provide long-lasting, sustainable heat that ranges from 15 minutes to up to 2 hours, depending on factors such as indoor vs. outdoor conditions, ambient temperature, and insulation. In warmer indoor settings, the heat may last longer, while in colder outdoor environments, heat retention may be slightly reduced. Designed for maximum efficiency and comfort, our products ensure you get the warmth and relief you need, whether you're relaxing at home, working in a chilly office, or enjoying outdoor activities
Yes! Our neck warmer can be used for cold therapy by simply placing it in the freezer for a few hours. The chilled rice pack helps reduce inflammation, swelling, muscle soreness, and headaches by numbing the affected area and constricting blood vessels. It’s an excellent natural remedy for post-workout recovery, injuries, migraines, or hot weather relief. For best results, store the neck warmer in a sealed bag while in the freezer to keep it fresh and ready for use whenever you need cooling comfort.
Our rice neck warmer is 100% reusable, making it an eco-friendly and sustainable alternative to electric heating pads or disposable heat packs. It requires no batteries, or chemicals, reducing energy consumption and waste. Made with natural rice and cotton and microfiber materials, it provides a safe, non-toxic way to enjoy heat or cold therapy. Plus, its long lifespan means you can use it again and again, minimizing environmental impact while promoting natural pain relief and relaxation.
Enhance your relaxation experience by adding essential oils or SUSH signature fragrances to your SUSH products. Aromatherapy offers benefits such as stress relief, improved sleep, and a calming effect. Simply roll essential oils onto the fabric or spray SUSH fragrance at room temperature. When heated, the warmth releases a soothing scent, transforming your heat therapy into a spa-like experience