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Thunderpants USA
Known for wedgie-proof comfort, body positivity, and exuberant prints, Thunderpants USA makes underwear that puts the “fun” in functional. In addition to “Thundies,” the Portland-based brand makes leggings, bike shorts, camisoles, and bralettes. All items are 90% fair trade organic cotton and 10% spandex, dyed with water-based inks, and sewn in Oregon in a woman-owned factory.
With playful prints and inclusive sizing, Thunderpants bring joy to everyday wear. Sizes range from XS to 4X to accommodate diverse bodies. While the items are designed for women’s bodies, the brand counts men and non-binary folks among its customers. The boxer briefs, while specifically designed to be unisex, do not have a fly. Thunderpants USA donates to many environmental and social causes, including Oregon Public Broadcasting and Dress for Success.
| Certifications | Fair Trade |
|---|---|
| Material | Organic Cotton, Spandex |
| Social Responsibility | Ethical Labor Practices, Gives Back, Sustainable Packaging, Woman-Owned, Made in America, Size Inclusive, Woman-Founded |



