Primals

Our Most-Requested Natural Essentials

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Twelve hours a day in polyester underwear. Six hours a night staring at screens after sunset. Two exposures nobody counts, both wrapped around the parts of the body most sensitive to them. Polyester, nylon, and spandex are plastic. Woven into fabric, worn against skin, warmed by body heat and soaked in sweat all day. And artificial blue light after dark is well documented to suppress melatonin, the hormone that starts sleep. Here's the mechanism: synthetic fabric traps heat and moisture instead of breathing, and warm damp conditions increase what skin absorbs from the material touching it. Synthetic textiles also shed microplastic fibers with every movement and wash. Meanwhile blue light hitting the eyes in the evening tells the brain it is still daytime, delaying melatonin release and pushing sleep later even when the body is exhausted. One exposure runs all day, the other runs all night, and together they cover most of the hours you are awake. Which explains a lot of what gets blamed on stress. Waking up tired after a full night in bed. Lying awake with a wired brain at midnight. The heat and irritation from the gym, the sauna, or a long day at a desk. Cutting caffeine, buying the sleep tracker, trying magnesium. Switching to a "performance" fabric that turned out to be more polyester with a better label. Nobody thinks to question the underwear drawer or the screen glow, because neither one looks like a health decision. PRIMALS built the natural swap for both. Real fibers against skin, and lenses that shut out the light keeping you awake. Hundreds of clinicians share PRIMALS with their patients. ✅ Merino Wool Boxer Brief, 100% New Zealand merino that breathes, regulates temperature, and resists odor naturally ✅ Organic Cotton Boxers, 100% GOTS certified organic cotton with zero synthetic fibers against your skin ✅ Blue Light Blocking Glasses, engineered to block blue light so your body can start winding down when the sun does ✅ Zero polyester, nylon, spandex, or plastic fiber anywhere in the underwear lineup ✅ No microplastic shedding from fabric worn against your body all day ✅ Biodegradable packaging on every order Most "natural" underwear is a cotton blend with polyester quietly stitched through it. These are real fibers with nothing synthetic woven in. 🤝 Organic Cotton Boxers ship as a 3-pack, enough to actually replace what is in the drawer 🤝 FREE next day shipping on US orders $100+ 🤝 Sizes across the range, with the merino brief and cotton boxer available separately or together We ship from California, so US orders arrive fast. These are the most requested natural essentials PRIMALS has released, and sizes sell through fast once a run goes live. 100,000+ people have already made the switch to PRIMALS. You already cleaned up what goes in your body. This is what has been sitting on it. Click "Shop now" and get plastic off your skin and out of your eyes!