Standard System Foam

Ideal for standard-sized trout flies. Offers more storage than it appears, while preventing hackle crush—especially on vertically tied flies. The simple design features consistent 24 slits per row, allowing you to store the same fly in multiple sizes (e.g., 6 flies in 4 sizes per row). Makes it easy to track and refill flies after a day on the water.

• 5 mm (0.2 inch) thickness
• Large: 24 slits × 8 rows (192 flies)
• Medium: 24 slits × 6 rows (144 flies)
• Small: 24 slits × 5 rows (120 flies)