THE SEIGAIHA Tee - Unisex

Inspired by the timeless Seigaiha wave motif, this t-shirt carries a symbol of peace, strength, and continuity. Rooted in Japanese tradition, the repeating waves represent calm seas and the hope for enduring prosperity through every season of life. Clean, rhythmic, and balanced, the design blends cultural heritage with modern minimalism, making it an easy statement piece that feels both meaningful and refined. Designed to be worn daily, this piece reflects harmony, resilience, and forward movement.

• 100% cotton
• Sport Grey is 90% cotton, 10% polyester
• Ash Grey is 99% cotton, 1% polyester
• Heather colors are 50% cotton, 50% polyester
• Fabric weight: 5.0–5.3 oz/yd² (170-180 g/m²)
• Open-end yarn
• Tubular fabric
• Taped neck and shoulders
• Double seam at sleeves and bottom hem

Disclaimers: 
• Due to the fabric properties, the White color variant may appear off-white rather than bright white.
• Dark color speckles throughout the fabric are expected for the color Natural.

Size guide