Undrest Nice Bottom. Hand-knit Undrest bikini bottom is made with superior quality & craftsmanship in mind, and features a chevron stripe knit, solid knit trim, long tie sides, a quick dry knit, small metal button trims, a full lining, and slim cut seat. Made 100% in LA, Undrest supports sustainable and socially responsible fashion production. Undrest bikinis are based on a “contemporary fit.” For a standard fit, order one size up. Cotton/polyester/spandex knit. Undrest.