Sloggi claims that the chemical-free fabric, which it developed in partnership with Taiwanese firm Singtex Industries, not only wicks away moisture and absorbs odors, but it also protects against ultraviolet rays.

SLIDESHOW | 7 Weird, Wonderful, and Wholly Unexpected Uses for Bras

Triumph, Sloggi’s parent company, is no slouch in the “going green” department, either. The lingerie manufacturer announced in 2012 that Oeko-Tex certified its entire catalogue of underpinnings free of more than 300 harmful substances—including pesticides, extractable heavy metals, formaldehyde, carcinogenic dyestuffs, and residual surfactants.

In Japan, Triumph initiated a scheme to recycle old bras in power-generating fuel.

+ Sloggi