The Ark Solid series updates a classic everyday silhouette with enhanced technical performance and refined materials. Despite its generous storage capacity, the lightweight 3-layer construction creates a relaxed, effortless shape suited for daily commuting, travel, and outdoor activities. Combining Master-Piece’s original m-coat™ water-repellent technology with premium Italian leather detailing, this versatile bag delivers durability, comfort, and weather protection in a streamlined design.

Features

• Lightweight and durable 3-layer nylon construction
• Master-Piece original m-coat™ water-repellent finish
• Breathatec® waterproof backing technology by Toray Coatex
• High-density nylon twill with excellent abrasion resistance
• 5mm high-foamed polyethylene shoulder padding for reduced strain
• Double-ring shoulder strap design for left or right-handed use
• Adjustable side pocket with cord stopper for bottles
• Integrated carabiner for securing keys or IC cards
• Premium Italian leather trim from MONFRINI PELLAMI
• Compact and versatile design for everyday use, travel, and outdoor activities

Specifications

• Main Material: High-density 66 nylon twill (m-coat™ / Breathatec®)
• Trim: Italian chrome-tanned cow leather by MONFRINI PELLAMI
• Technology: Master-Piece m-coat™ water-repellent finish with Toray Breathatec® waterproof coating
• Weight: Approx. 400g
• Dimensions: 290 × 290 × 120 mm
• Made In: Japan

About the Materials

The main fabric is crafted from high-strength 66 nylon woven in a dense twill structure and treated with Master-Piece’s original m-coat™ water-repellent technology. Unlike conventional surface treatments, m-coat™ bonds the water-repellent agent directly to the fiber surface, providing exceptional durability and maintaining high water repellency even after repeated use.

The reverse side is finished with Breathatec® by Toray Coatex, a durable polyurethane microporous coating that prevents water penetration while maintaining breathability. Together, m-coat™ and Breathatec® create a highly functional fabric capable of handling sudden weather changes while remaining lightweight and comfortable.

The leather trim is sourced from MONFRINI PELLAMI, a renowned Italian tannery established in Milan in 1898. Finished with a semi-aniline treatment combining vibrant pigments and transparent dyes, the leather delivers rich coloration, a smooth surface, and a refined sheen that reflects the quality of traditional European craftsmanship.

About the Brand

Founded in Osaka in 1994, Master-Piece is renowned for combining premium Japanese craftsmanship with innovative technical design. Each bag is constructed using carefully selected materials and meticulous techniques, creating products that balance durability, functionality, and timeless style.