onenova.jp

one nova is a Japanese online shop specializing in merino wool underwear and base layers made with a proprietary "nova wool®" fabric that the brand describes as having deodorizing, antibacterial, and temperature/humidity-regulating properties. The product range includes bras (3D Wireless Bra, 360 Eazy Bra, WUNDERNOVA Bra), tops and camisoles with built-in cups, women's shorts and thongs, men's boxer briefs, unisex boxer briefs, as well as gift items such as gift cards and paper bags.

Domestic shipping is a flat 800 JPY with free shipping on orders of 8,000 JPY or more (tax included). Orders ship from Kanagawa within 3–5 business days via Japan Post, Yamato Transport, or Sagawa Express. International shipping is offered at a flat 3,000 JPY, and delivery date or carrier cannot be specified.

Free size exchange is available within 14 days of receipt using the Sagawa pickup service, with all shipping costs covered by the company. Customer-initiated returns are generally not accepted, but exchanges are offered for defective, damaged, or incorrect items within the same 14-day window. Orders can be cancelled within one hour of placement.

Accepted payment methods include Apple Pay, Google Pay, Shop Pay, and major credit cards (Visa, Mastercard, JCB, American Express). Customer support is handled by email only, on weekdays from 12:00 to 17:00.