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Frequently asked questions

Here you’ll find answers to some of our most frequently asked questions.

General

What is heated apparel?

Heated apparel refers to clothing and garments with built-in heating elements powered by a battery/powerbank.

Is the heating system safe?

Yes. Koltrast uses low-voltage, temperature-regulated systems that meet international safety standards for daily use. We are CE, FCC, UKCA, and RoHS approved.

Can I wash my heated apparel?

Yes. Koltrast heated apparel is fully washable. Simply remove the battery before washing and follow the care instructions inside the garment. We recommend gentle machine washing and air drying for longevity.

Is Koltrast heated apparel water-resistant?

Yes. Our outerwear fabrics are designed to resist light rain and snow, keeping you warm and dry in changing Nordic conditions. Waterproof zippers provide added protection.

However, they are not intended for full submersion in water.

Where can I use Koltrast heated apparel?

Perfect for cold-weather commutes, outdoor adventures, or simply enjoying a drink at an outdoor bar - Koltrast keeps you warm wherever life takes you.

What sizes are available?

Koltrast features a refined unisex fit, available in sizes XS–XXL. Additional sizes are coming soon. Check our sizing guide for exact measurements.

How do I contact Koltrast support?

For assistance, contact our customer care team at contact@koltrast.co, through our Contact page or through our live chat on our website.

Koltrast values genuine, personal service above all. You’ll never speak to a AI chatbot - only with real people who understand our products and care about your experience.

How does the Koltrast Heated Vest work?

Simply plug a battery or power bank into your heated apparel. Ultra-thin carbon fiber elements heat up key areas, and you can control the warmth with a single built-in button.

How long does the battery last on the Koltrast Heated Vest?

When powered by the Koltrast Power Bank, designed specifically for our heated apparel, you can expect up to 8 hours of warmth on low, 6 hours on medium, and 4 hours on the highest setting.

Can I wear the heated vest under a jacket?

Yes. The heated vest is designed as a mid-layer and works best when worn under a jacket or shell. This helps trap heat and improves overall warmth efficiency.

Does the heated vest feel bulky?

No. The vest has a slim, lightweight design that allows for full mobility and comfortable layering without restricting movement.

Where are the heating zones located?

The heating zones are strategically placed to warm the core areas of the body, including the chest, back, and neck, helping maintain body temperature in cold conditions.

Is the heated vest noisy or noticeable when in use?

No. The heating system operates silently, with no noise or vibration, making it ideal for everyday wear.

Heated gloves are gloves or mittens with built-in heating elements powered by rechargeable batteries. They provide active warmth and keep your hands warm even in very cold conditions, unlike traditional winter gloves that rely only on insulation.

How do heated gloves work?

Heated gloves use integrated heating wires that distribute warmth across the fingers and the core of the hand. Adjustable heat settings allow you to control the temperature depending on weather and activity level.

How long does the battery last in Koltrast Heated Mittens?

The battery life depends on the heat setting you select:

High (Red):57°C | Approx. 2.5 hours
Medium (White/Blue):49°C | Approx. 4 hours
Low (Green):42°C | Approx. 8 hours
To maximize battery life, we recommend starting on High for 5–10 minutes to pre-heat, then switching to Medium or Low.

Are Koltrast Heated Mittens waterproof?

Yes. The mittens feature a high-quality PU coating and water-resistant goat leather. While they are designed to handle heavy snow and sleet, we do not recommend submerging them completely in water due to the internal electrical components.

Are heated gloves good for people with cold hands or poor circulation?

Yes. Heated gloves are especially helpful for people who suffer from cold hands or reduced circulation, as the active heat helps maintain warmth for longer periods.

Are heated gloves worth the investment?

For anyone who spends a lot of time outdoors in winter, heated gloves are a worthwhile investment that provides better comfort, warmer hands, and fewer interruptions due to cold.