ToughSack Assorted Colors vs Mississippi Dry Duffel: which is safer?
Granite Gear ToughSack Assorted Colors is the clear pick. Watershed Mississippi Dry Duffel carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Granite Gear
ToughSack Assorted Colors
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleHeavy metals in zippers or hardware
Watershed
Mississippi Dry Duffel
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
LikelyCoating degradation and leaching
Possiblewater-repellent coating fluorochemical exposure (PFAS class)
PossibleHeat sensitivity and vapor leakage
Where these two actually differ
- We flag Heavy metals in zippers or hardware on the Granite Gear and not on the Watershed.
- We flag Coating degradation and leaching, DWR fluorochemical exposure (PFAS class), Heat sensitivity and vapor leakage and Microplastic shedding from coating wear on the Watershed and not on the Granite Gear.
- The Granite Gear is Cordura nylon fabric where the Watershed is Coated fabric with unspecified waterproof DWR treatment, which is most of the difference in these two grades.
- The gap is 45 points, wide enough that this is not a close call, and the Granite Gear is the one to buy.
- We are less certain about the Watershed grade, at 45% confidence against 72%, because it discloses less.
Both products run through the same public rubric, which covers materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More waterproof bags & luggage, see the full ranking