"Tri-elastic" refers to a special 3D knitting process with a loop-like knitted structure. This creates a particularly elastic and flexible fabric that adapts optimally to the body shape, yet remains dimensionally stable and fits snugly without constricting. In addition, the structure offers high thermal insulation and ensures a secure, comfortable fit – even during movement. We offer two different versions, warm and extra warm.

A kidney warmer should fit snugly, without constricting, to reliably keep the kidney and lower back region warm. It is best worn directly on the skin or over a thin undershirt. Thanks to the elastic material, a Medima kidney warmer adapts optimally to the body shape, does not slip even when sitting or moving, and can be comfortably worn under clothing. Thus, it provides pleasant, natural warmth in everyday life – whether at home, in the office, or on the go.

Yes. At Medima, the terms back warmer and kidney warmer are used synonymously. Both refer to the same product, which keeps the lower back and kidney area pleasantly warm and is ideal for everyday use.

Natural, continuous deep heat can help with lower back pain, loosen tense muscles and relieve tension pain. Chemical-free back warmers made from natural fibres such as angora or alpaca store body heat particularly effectively, are skin-friendly, plastic-free and a sustainable alternative to disposable heat patches.

Yes, Medima back warmers can be worn easily and discreetly under clothing. They are temperature-regulating, flexible, and elastic, adapting optimally to the body shape and not slipping even when sitting or moving. Especially the lightweight models can be easily integrated into everyday life and can be worn daily under normal clothing – whether in the office, at home, or on the go.

Long or frequent sitting strains the muscles in the lower back. This one-sided posture can cause muscles to tense up and reduce blood circulation – often resulting in pain or an uncomfortable feeling of tightness. Consistent warmth can help to relax muscles and release tension. Our Medima back and kidney warmers, made from natural fibers, store your body's natural warmth particularly effectively. Completely natural and without chemicals. The various models fit perfectly into your daily life and can also be worn discreetly under clothing – whether in the office, at home, or on the go.

Heat can be particularly beneficial for muscular tension, pain from prolonged sitting, or a stiff lower back. Continuous warmth promotes muscle relaxation and can help alleviate tension pain. Reusable back and kidney warmers made from natural fibers like angora or alpaca store the body's own heat particularly effectively. However, heat should not be used for acute injuries, inflammation, or swelling. In case of doubt, medical clarification is advisable.

In the event of a bladder infection, drinking plenty of fluids, physical rest, and pleasant warmth can support well-being. Many sufferers find it particularly soothing to keep the kidney and bladder area warm. Cuddly soft back warmers, for example, in combination with an additional hot water bottle, are uncomplicated and more sustainable than heat patches or heat gels.
If symptoms persist, or if fever, severe pain, or blood in the urine occurs, medical advice should be sought.

Yes, back warmers can help protect the sensitive lower back from drafts and cooling down. Especially in the office, where prolonged sitting and air-conditioned rooms can strain the muscles, they provide a pleasant, natural warmth. Reusable back warmers made from natural fibers are ideal for daily use in the office or home office.