Warmth without the bulk
The Magnum Mars Base Layer Trousers are seamless thermoactive long johns built to sit next to the skin and do the hard work of temperature control. Wicking fabric draws sweat away from your body through an open capillary structure, so you stay dry and warm rather than damp and cold during a long day in the field.
Engineered to move with you
Using a bodymap design, the fabric places active zones of maximum breathability and stretch exactly where your body needs them. The result is a base layer that flexes with every crouch, sprint and vault without bunching or restricting movement.
Comfort you can wear all day
The seamless construction removes the stitched seams that cause chafing and pressure points, while the fabric’s low moisture absorption and biological resistance help regulate temperature and keep odour at bay across back-to-back games.
Layer up for the cold
Ideal under combat trousers for winter airsoft or any cold outdoor pursuit, and available in sizes Large to 2XL. Pair it with the matching Jupiter top, and browse more clothing to complete your cold-weather kit.










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