A base layer built to move
The Magnum Jupiter thermoactive seamless baselayer top is the ideal under-garment for anyone with an on-the-go outdoor lifestyle. Built for comfort, it releases moisture to the outer layers and away from the skin to keep you happy and dry, whether you are skirmishing, hiking or working outdoors.
Seamless, chafe-free comfort
Innovative seamless technology and flat, almost imperceptible seams mean nothing digs in or rubs, even on long days under load. The close, stretchy fit sits smoothly under mid-layers and plate carriers alike.
Smart moisture management
A capillary system pulls sweat through the fabric and out to the surface, while body-map active zones place breathability exactly where your body needs it most. The result is a stable, comfortable micro-climate against the skin.
Lightweight and quick drying
Made from a 75% polyamide, 25% polyester knit, the Jupiter is lightweight, quick drying and resistant to soaking up moisture, so it will not sit cold and damp against you mid-game.
Layer up for the field
Pair it with the matching Magnum long johns and find more base layers and field apparel in our clothing range. Available in adult sizes Large to XXL.









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