Poly Fly Box - Dirty Worms WA/28 Patterned with a gusseted crotch

Patterned with a gusseted crotch for maximum comfort and easy layering with bibs or waders

Creating it was the beginning of a new era in men’s underwear

Featuring a heavily treaded rubber sole

while TPR walls prevent mixing between distinct patterns

Fully-gusseted tongue helps prevent debris from getting inside

Poly Fly Box - Dirty Worms WA/28 Patterned with a gusseted crotchMFC's Poly Boxes are made from a very special plastic that allows them to "tattoo" artist's images onto the box for a vibrant finish that lasts forever. This fly box has become a favorite among anglers due to its size that is longer and deeper than traditional fly boxes to fit more flies.