Other base-layers have antibacterial properties that will wash out, often becoming far less potent over time while also polluting the water supply, however, these Trojan base-layer long johns feature a special Odegon Deo Tag which provides odour-free properties that won't wash out and will last for the life of the garment. The patch is small and discreet but can neutralise odour over fabric the size of a tennis court: that's how powerful this technology is. These base-layer pants are also made with Hydrobase fabric which fits close to the skin for a fantastic Comfortable fit, and wicks away moisture to keep you feeling fresh and Comfortable when you're working hard.