SIMMS – PATCH FLY BOX BOULDER

A unique foam fly box with a hook back to quickly attach the box to your vest, your waders or your rain jacket fly patch. Quick, easy & so convenient.

Feature:durable, non-absorbent, non-delaminating texture with next generation high-density foam

Magnetic closure for easy open & close

Hook backer attaches to Simms outwear, waders, and packs.