Carry Case vs Bags | Keen Post Daypack 18l Gray Backpack | Color: Gray | Size: Os: which is safer?

Garmin Carry Case is the clear pick. Keen Bags | Keen Post Daypack 18l Gray Backpack | Color: Gray | Size: Os carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Garmin

Carry Case

PFAS grade

B 85/100

Overall grade

C 73/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Neoprene or polyester with nylon hardware

Confidence

72%

PossibleAzo dyes in polyester or neoprene coloring

PossibleNylon hardware degradation and microfiber release

PossibleHeavy metals in polyester dyes or pigments

Why this gradeBuy

Keen

Bags | Keen Post Daypack 18l Gray Backpack | Color: Gray | Size: Os

PFAS grade

F 40/100

Overall grade

F 36/100

Verdict

Skip

Hazard flags

⚑ 1

Material

nylon with water-repellent coating water-resistant treatment

Confidence

45%

Possiblewater-repellent coating degradation and potential leaching

Why this grade

Both products run through the same public rubric: 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 outdoor bags & luggage: see the full ranking