The IRON series is a sports swimwear for the man who doesn't need to show off — rugged yet refined, athletic yet effortlessly composed.

The color is a deep, luminous yellow — vivid enough to command attention, yet carrying a weight that never feels light or casual. By intentionally framing out the IRON logo, the design gains dimension and a quiet sense of power. Two bold lines running along the left hip trace the silhouette from waist to thigh, defining the body's contours with understated precision.

These swim briefs feature a silhouette that elegantly and neatly showcases the front while naturally enhancing the body line. Designed with a balanced fit that minimizes excess fabric, it aims for a refined feel and appearance.

HIGETOHACHIDORI re-examined the issues of foreign brands being too large and typical Japanese swimwear being too tight, and pursued a design specifically for Asians to highlight their physique beautifully. With unique standards that consider the thigh circumference in relation to the waist, it aims for a balanced fit that is comfortable even for muscular body types.

The fabric used is a high-performance material specialized for swimwear from a Japanese manufacturer. It offers a silky smooth feel and excellent elasticity, subtly following body movements while exuding an elegant sheen.

Double-stitching is used for the seams. By pressing the seam allowance in one direction, skin irritation is reduced, achieving a seam that is both aesthetically pleasing and functional. This results in a smooth wearing experience and high durability, allowing for long-lasting use.

The lining uses a soft fabric that is gentle and comfortable against the skin. It reduces uncomfortable sticking and friction when wet, maintaining a comfortable fit even after extended wear. Furthermore, the brand logo is printed on the lining, embodying HIGETOHACHIDORI's meticulous attention to detail even in unseen areas. This specification also helps prevent transparency.

• Quick-drying and absorbent
• UV protection
• Amphibious (suitable for land and water)
• High elasticity
• Shape-retaining material
• Comes with an original logo pouch

If you're unsure about sizing, consider the fit around your thighs as well as your waist. HIGETOHACHIDORI is designed to have an elegant and clean fit in the front, with a comfortable balance around the thighs. It is also recommended for those who find the front rise of foreign brands too large.

Please check the actual measurements below. We also provide a size guide to help you choose a more comfortable fit, considering the fabric's elasticity. Please be sure to check your own size before ordering.