45R is a Japanese clothing brand known for its focus on sustainability, natural materials, and traditional craftsmanship. They are particularly known for their use of indigo dye, and collaborate with artisans from various regions of Japan to create unique pieces.

• Philosophy: They believe in preserving and renewing existing materials, and their “Mottainai Craftsmanship” concept emphasizes minimizing waste.
• Materials: They use natural materials like cotton, linen, and wool, often dyed with indigo.
• Products: They offer clothing for both men and women, including shirts, pants, dresses, and knitwear.
• Availability: They have stores in Japan and an online store that ships internationally.