The Outdoor Research Helium lightweight women's rain jacket is a minimalist jacket made of Pertex Shield material, which is waterproof and breathable. The key emphasis of the jacket is on its folding and small size, as it weighs only 179 g.

The jacket has welded seams and YKK Aquaguard zippers , which provide maximum protection against water.

The jacket has an adjustable hood , elasticated cuffs and an extended back for full protection.