Shiraiwa K. K. | 白岩株式会社

IWA 5 Reserves Junmai Daiginjo

$350.00 USD

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Same-day delivery Select SoCal Areas · Mon-Fri, 11 AM-4 PM

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Explore the Same Brand:

IWA 5

Tasting Notes

IWA 5 Reserves is a deeply layered expression shaped by time and careful blending. Crafted entirely from aged base sakes matured at Shiraiwa Kura, it opens with an expansive aromatic profile that gradually unfolds in the glass. Subtle floral tones lead into ripe pear and plum, followed by more mature nuances of brioche, pastry cream, cocoa, and gentle toasted notes. As it develops, hints of savory depth and spice emerge, adding dimension without heaviness. The palate is poised and harmonious, balancing maturity with vitality, and finishes long, refined, and quietly resonant.

Specifications

Region: Toyama, Japan
Class: Junmai Daiginjo
Rice: Yamada Nishiki, Omachi, Gohyakumangoku
Rice Polishing Ratio: 35%
ABV: 15%
Size: 720ml

Overview

IWA 5 Reserves represents a significant evolution within the IWA philosophy. Unlike the annual Assemblage releases, which emphasize freshness and seasonal expression, Reserves is built exclusively from older components that have been aged individually for several years. Some elements trace back to 2017, with an average maturation period of approximately four to five years. Rather than pursuing aging as a technical achievement, IWA approaches time as a tool to deepen balance, texture, and complexity.

This extended maturation is rare within the realm of Junmai Daiginjo, and Reserves embraces it deliberately to explore sake’s capacity for depth and serenity. Best enjoyed at room temperature in a white Burgundy glass, it can also be gently warmed to body temperature to reveal additional layers of aroma and structure. This is a contemplative sake designed to evolve slowly and reward attention.

Best Served: Room temperature (15–16°C) or gently warmed

Food Pairing: Seared scallops, butter-based seafood dishes, mushroom-forward cuisine, aged cheeses, and refined, umami-driven preparations.

The Essence of Fine Sake

Four dimensions that shape how sake is made, understood, and enjoyed.

Clear spring water flowing from a bamboo spout at a rural Japanese sake brewery

Place & Provenance

Local water, rice, climate, and brewing traditions give each region its distinct character.

Polished sake rice grains resting in a brewer's hand

Rice Polishing

Polishing removes the grain’s outer layers, helping shape aroma, texture, and style.

Sake brewer tying a batch designation tag to an amber bottle

Sake Designations

Junmai, Ginjo, Daiginjo, and other designations reflect ingredients, rice polishing, and brewing methods.

Friends sharing warm sake cups around a dining table

Versatile Enjoyment

Explore sake across temperatures, pairings, occasions, and seasons.