these trackpants are made from 320 gsm midweight cotton. they are treated with peppermint oil (pprmint™) for its anti-odor properties. our 365 range is designed to be worn across the seasons, 365 days a year. eco, environmentally friendly clothing, sustainable clothing, eco clothing, organic cottton, Natural, plant-originated textile treatment uses peppermint oil as its main active ingredient and has an antibacterial effect. We use it as a finishing treatment on our fabric to keep your garment fresher for longer: your t-shirt needs to be washed less often, saving water, energy and time. Regular cotton requires more water, pesticides and degrades the soil over time. Instead, we only use organic, made from natural seeds and without pesticides or other harmful chemicals. As a result, organic cotton products are safer for both our skin, and our earth. Over 100BN items of clothing and 500BN plastic bottles are being produced every year. Half goes to landfill, taking decades to decompose. All textile and plastic waste can be recycled, turned into a yarn and reused repeatedly. We develop products made of post-consumer recycled materials and plastic bottles. It does not only look good, but most importantly, feels good.