cycling shorts in biodegradable polyamide, fitted to the body, intended for sports and lifestyle wear. biodegradable polyamide has no toxic components and is free of heavy metals, certified by test according to astm method/standard e1963 – standard guide for conducting terrestrial plant toxicity tests. the yarn manufacturing process is done in a closed water cycle, 100% treated and reused. in addition, when discarded, this product decomposes in the landfill in an average of 3 years, while traditional polyamide takes around 50 years, proven by astm d5511 – standard test method for determining anaerobic biodegradation of plastic materials under high-solids anaerobic-digestion conditions.