Nike Pro 365 Mid-Rise Leggings
At a glance
Summary
Nike Pro 365 Mid-Rise Leggings score 1/100. Independent lab testing by the Center for Environmental Health (CEH, Oct 2022) detected BPA (bisphenol-A) in polyester-based activewear with spandex — the exact fabric class of this legging. BPA is a hormone-disrupting chemical absorbed through skin during wear, amplified by sweat. Fabric is 80% Polyester (≥50% recycled) / 20% Spandex — 100% petroleum synthetics in maximum skin contact across the lower body. Sheds microplastics with every wash.
Contaminants 1
Source: Independent third-party laboratory testing
BPA (Bisphenol-A) Detected High
Detected at a high level — at or above health-based exposure limits. Regular exposure at this level is a genuine health concern. BPA is an endocrine disruptor that mimics estrogen and disrupts metabolism, growth, development, and reproduction. Sweat and elevated skin temperature during exercise increase dermal uptake. Nike received a CEH legal notice for this product category.
Detected by Center for Environmental Health (CEH) lab testing (October 2022) in this fabric class — polyester-based clothing with spandex.
Key ingredients 2
Polyester (80%)Very Bad
Petroleum-derived synthetic plastic fiber forming the main fabric. Polyester+spandex is the exact fabric class CEH found BPA in across multiple major activewear brands (Oct 2022 / May 2023 testing). Sheds microplastic fibers with every wash. Worn in maximum skin-to-fabric contact during sweaty exercise, which amplifies absorption of any residual chemical finishes.
See more about Polyester (80%) →Spandex (20%)Bad
Synthetic polyurethane stretch fiber. Suspected primary BPA carrier in athletic wear — commonly used as a polymerization catalyst or antioxidant during elastane production. Continuously sheds microplastics during washing.
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