Registration Marks | No. 578Oversized T-Shirt

Structural Specifications: The Expanded Volume (Build 4810)

Description: The heavyweight expansion of the ichinichi catalog. Build 4810 is engineered for maximum spatial presence. Designed with an uncompromising, oversized silhouette, it delivers substantial physical gravity and a deliberate, drop-shoulder drape. It is crafted as a heavy structural shell, built to anchor the daily rotation with absolute authority and a relaxed, streetwear-inspired geometry.

The architecture of this garment relies on sheer material density. Constructed with a heavy-gauge 18 singles yarn, it is built to maintain its rigid, boxy form through continuous environmental cycles. The exterior plane undergoes a specialized garment-dyeing process, resulting in a washed, dimensional patina that provides immediate visual depth. This heavyweight surface is highly optimized to receive our visual discipline, ensuring every typographical element binds permanently to the dense fabric.

Material Architecture: These solid artifacts are forged entirely from a dense, 100% ring-spun cotton matrix. Weighing in at a substantial 6.5 oz./yd.² (220.4 g/m²), the fabric ensures enduring structural integrity and a premium, tactile finish. Assembled within our monitored Central American fabrication network under strict ethical, traceable, and chemical-free protocols, ensuring every artifact meets the heavy-duty ichinichi standard before it is commissioned for your wardrobe.

Assembled across our global fabrication network under strict ethical and environmental protocols, ensuring every artifact meets the ichinichi standard before it is commissioned for your wardrobe.

Every ichinichi piece is made on demand, only after it is ordered. This keeps us out of the cycle of excess inventory and unnecessary waste.

Your garment is produced specifically for you, with a typical 3–4 day fabrication period before shipping. It is a slower, more deliberate model, but one that lets us make only what is needed and keep the process focused on quality rather than volume.

Nothing is pulled from a stockpile. Your piece is made for your daily rotation when you commission it.

ichinichi ships worldwide, with complimentary shipping on every order.

To reduce unnecessary transit and support our on-demand model, we work with a decentralized production network across the US, EU, UK, and Japan. Whenever possible, your piece is produced at the facility closest to your destination.

After a typical 2–5 day fabrication period, most orders arrive within 3–6 days, depending on region. Delivery times may vary internationally, but each order is routed through the nearest available production hub.