The 4F men's thermal T-shirt will ensure effective insulation against the cold during activity.Due to the variety and characteristics of winter sports, solutions that work well in changing weather conditions and ensure full freedom of movement were used.The upper part of the seamless underwear offers thermal comfort both during long hours spent on the slopes and your favorite everyday activities on cold days.The fitted cut adheres to the body, but does not restrict the natural range of movement.The seamless construction does not cause abrasions and is safe for areas most prone to irritation.Quick-drying, synthetic knitwear ensures durability and is easy to care for.Ventilation zones support air circulation and improve comfort.Technical fabric with 4FSkin technology creates a flexible structure that perfectly It adapts to the body, providing comfort and maximum freedom of movement. It's an excellent first layer of clothing, especially under trekking or winter clothing.Technical data: · Main material: 94% polyamide, 5% elastane, 1% polyester · 4FSkin technology - adapts to the body, providing a second-skin effect · Seamless construction - eliminates the risk of abrasions and irritation during activity · Ventilation zones - support air circulation and improve wearing comfort · Quick-drying finish - keeps you dry even during intense exercise · First layer of clothing - ideal under a top layer for trekking and winter expeditions · Slim cut - fits close to the body without restricting movement