Polyester vs polypropylene clothing reddit Limited Strength: Polypropylene is not as strong as nylon or polyester, so it may not be suitable for heavy loads or high-stress applications. , this Atwood vs. That's insane! Plastics are the worst! That's why I only choose organic fiber like organic cotton or alpaca wool. It retains color better, promising a more resilient fabric that resists UV rays. 2-5% elastane in cotton items like denim go a long way, any more than that and it might as well be leggings. Polypropylene will also work, but tends to smell worse in short order. Check your clothes labels; you may have some options already. Not buying new clothes is obviously best, but don’t demonise semi-synthetics - I’d still take a semi-synthetic over a synthetic. Nylon absorbs a lot of water, can't imagine it making for a good base layer. 400D to 600D Recycled Nylon. fomkujraggjzcnvotsamycqowaqkohcshqheugnfvebwkqirshlnrtxdeeaykbwpxfclotwjb