Men's thermal active T-shirt M233 sea green 4FWAW25USEAM233 46S S/M

Cold-weather training often means choosing between staying warm and staying dry. The 4F Men's Thermoactive Long Sleeve T-Shirt M233 solves that dilemma with a lightweight thermal layer that wicks moisture away from your skin while retaining essential body heat. Made for active men who refuse to let winter slow them down, this dark green base layer works as a standalone top on milder days or as a first layer under a jacket when temperatures drop.

Who is it for

This thermoactive shirt is built for men who run, hike, ski, or train outdoors in cool to cold conditions. Its regular/close fit and four-way stretch fabric move with you, making it ideal for dynamic activities where range of motion matters. If you need a reliable base layer for winter sports, early-morning runs, or layered outdoor work, this shirt delivers consistent performance without bulk.

Main features

• 4F Dry technology actively transports sweat away from the body for lasting comfort.
• Thermal insulation provides lightweight warmth without overheating during high-output efforts.
• Flatlock seams reduce chafing and irritation, even during repetitive motion.
• Breathable, quick-drying fabric keeps you dry from the inside out.
• Round neckline and long sleeves offer versatile coverage for layering.

Specifications

• Material: 92% Polyester, 8% Elastane
• Sleeve length: Long sleeve
• Neckline: Round neck
• Fit: Regular/Close fit
• Colour: Dark green (Morska Zieleń)
• Size: S/M
• Technology: 4F Dry
• Moisture-wicking: Yes
• Quick-drying: Yes
• Breathability: High

Tips

For maximum warmth, layer this thermoactive shirt under a fleece or softshell jacket. Wash inside out with similar colours to preserve the fabric's technical properties.