Footwear / ASICS / Gel-Kayano / ASICS Gel-Kayano 12.1 Lapstone & Hammer The Spark
ASICS Gel-Kayano 12.1 Lapstone & Hammer The Spark
1203B103-100 · Lapstone & Hammer The Spark · 2026
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About this product
The ASICS Gel Kayano 121 Lapstone And Hammer The Spark brings together archival running heritage and boutique storytelling through a collaboration that feels layered, expressive, and deeply rooted in sneaker culture. Lapstone and Hammer approaches the Gel Kayano 12.1 with a mix of Cream, Black, and Red tones that create sharp contrast across the technical runner inspired upper. The silhouette itself blends elements from classic Kayano models into a more lifestyle focused format, preserving the layered mesh and synthetic construction that made ASICS performance runners so visually distinctive during the two thousands. Fans care about collaborations like this because Lapstone and Hammer consistently treat projects with a sense of narrative and attention to detail rather than surface level branding. The Spark theme gives the shoe energy and movement, while the layered color palette enhances the technical complexity of the silhouette. ASICS running models have become increasingly important within fashion circles because they offer comfort and archival authenticity without sacrificing individuality. For collectors, boutique collaborations on technical runners often stand out because they feel more curated and thoughtfully executed than standard inline releases. The ASICS Gel Kayano 121 Lapstone And Hammer The Spark was released on May 9, 2026 with a retail price of $195.
Size conversionEU · US · UK · A conversion chart, not stock +−
Scroll within the table to compare sizes.
This table scrolls within its region. Focus this region and use the arrow keys to compare sizes.
| EU | US | UK |
|---|---|---|
| 35 1/2 | 3.5 | 2.5 |
| 36 | 4 | 3 |
| 37 | 4.5 | 3.5 |
| 37 1/2 | 5 | 4 |
| 38 | 5.5 | 4.5 |
| 39 | 6 | 5 |
| 39 1/2 | 6.5 | 5.5 |
| 40 | 7 | 6 |
| 40 1/2 | 7.5 | 6.5 |
| 41 1/2 | 8 | 7 |
| 42 | 8.5 | 7.5 |
| 42 1/2 | 9 | 8 |
| 43 1/2 | 9.5 | 8.5 |
| 44 | 10 | 9 |
| 44 1/2 | 10.5 | 9.5 |
| 45 | 11 | 10 |
| 46 | 11.5 | 10.5 |
| 46 1/2 | 12 | 11 |
| 47 | 12.5 | 11.5 |
| 48 | 13 | 12 |
| 48 1/2 | 13.5 | 12.5 |
| 49 | 14 | 13 |
| 49 1/2 | 14.5 | 13.5 |
| 50 1/2 | 15 | 14 |
Reference conversions only; this chart does not measure your foot or describe product fit.
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