Are you dreaming of visible, sculpted core muscles? To get there, you should introduce a properly developed ABS workout into your training routine – we've known for quite a while now that ordinary crunches
Activity zone 4F
In this zone, your heart rate rises at the mere thought of the next workout. You'll find the best ways to exercise effectively, discover new disciplines, and choose an outfit that suits your needs. We'll also guide you through the clothing care process and advise what to buy for enthusiasts of various sports. Our blog is a guide for everyone who wants to feel motivation 4 times more!
📈 Rankings
Published: 2/18/2026🏂 Winter sports|📈 RankingsTOP 5 4F ski jackets – ranking of men's ski jackets
Changing weather conditions, long hours on the slopes and intense riding can put your gear to the test. A good ski jacket is not only about protection against snow and wind, but also about thermal comfort,
Read more- Published: 4/10/2025🏃 Running|📈 Rankings
Best 4F running shirts - a list of men's and women's styles for the 2025 spring/summer season
4F running shirts are an option for runners who focus on comfort, functionality, and modern technology. We offer a wide range of styles for both men and women to address a variety of training needs - from
Read more - Published: 3/4/2025🚶 Trekking|📈 Rankings
Trousers for a hike in the mountains? 2025 ranking of hiking trousers and shorts
Independently of your hiking experience, when planning a trip to the mountains, you need to remember about the right equipment. A key garment is trekking trousers, designed to withstand a variety of weather
Read more - Published: 3/3/2025🏊 Water sports|📈 Rankings
Ranking of the most fashionable swimsuits - top 5 from 4F
Summer is just around the corner, and it’s high time we shared our 2025 top swimsuit list. Regardless whether you plan on relaxing in the pool, resting on a lounge chair or being active while surfing, the
Read more - Published: 2/7/2025💡 Tips|📈 Rankings
Best sports bras in 2025, ranked – TOP 5 picks from 4F
For a gym? For yoga class? For running? We know the needs and expectations of our clients, that’s why we ranked sports bra that will work depending on the support level and the intensity of a practised discipline.
Read more - Published: 8/23/2024🧒 For children|📈 Rankings
TOP 5 school backpacks by 4F - ranked
In the world of education, where every step of a person stepping on the adventurous path of learning is a new chapter, a backpack becomes the most faithful travel companion. An appropriately selected school
Read more - Published: 8/16/2024🏃 Running|👟 Shoes|📈 Rankings
4F running shoes ranked — our top 3
Running on asphalt is one of the most popular forms of physical activity that attracts both beginners and experienced athletes. This is a good choice, especially in cities where access to natural running
Read more - Published: 5/23/2024🚴 Cycling|📈 Rankings
Cycling shorts and trousers rank - our TOP 3
Every cycling enthusiast knows how important equipment and preparation are to comfortably cycle for miles and achieve even better results. Choosing the right cycling shorts is a key element for every biker,
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- 💡 Tips|🏋 Fitness
8 at-home exercises for perfectly sculpted ABS
Are you dreaming of visible, sculpted core muscles? To get there, you should introduce a properly developed ABS workout into your training routine – we've known for quite a while now that ordinary crunches
- 💡 Tips|🏋 Fitness
Water retention in the body and training - how to avoid retention
Do you train regularly, eat meals of calorie content that should lead to a gradual weight loss, and still your scale shows the same result? You increase the intensity and the frequency of your trainings,
- 💡 Tips|🏂 Winter sports|🔬 Technologies
How to choose a ski/snowboard jacket?
Before heading off to enjoy winter break, many of us wonder which ski jackets will be the best and which particular model will ensure thermal comfort and desired breathability. Sometimes we wonder whether
- 💡 Tips|🤸 Training plans
Exercises for seniors – a safeway to improve your fitness every day
Adulthood does not necessarily mean giving up physical activity. Quite the opposite! At this stage, sensible and regular movement becomes the best investment in everyday independence and well-being. Proper