F

Is Teton Sports PFAS-free?

Across 8 graded products, Teton Sports averages F (20/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.

Graded and flagged D and F, we’d swap these

TETON Sports LEEF Mummy Sleeping Bag

Teton Sports

LEEF Mummy Sleeping Bag

Polyester outer with water-repellent coating; polyester/nylon lining

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry or third-party testing.

Waterproof or stain-proof treatment

Teton Celsius XL 0F Sleeping Bag

Teton Sports

Teton Celsius XL 0F Sleeping Bag

Polyester with water-repellent coating (water-repellent coating) finish; synthetic insulation

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry or provides PFAS-free certification.

Waterproof or stain-proof treatment

TETON Sports ALTOS Down-Filled Mummy Sleeping Bag

Teton Sports

ALTOS Down-Filled Mummy Sleeping Bag

Down fill + synthetic shell with water-repellent coating treatment

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry; down sleeping bags often use fluorinated water-repellents.

Waterproof or stain-proof treatment

Teton Celsius XL Sleeping Bag

Teton Sports

Teton Celsius XL Sleeping Bag

Polyester shell with water-repellent coating-treated fabric; synthetic insulation

F
F · High PFAS

Standard sleeping bag with likely water-repellent coating, brand silent on PFAS; moderate concern.

Waterproof or stain-proof treatment

TETON Sports Celsius Grand XXL Sleeping Bag

Teton Sports

Celsius Grand XXL Sleeping Bag

polyester shell with water-repellent coating; synthetic insulation

F
F · High PFAS

Sleeping bag likely uses legacy water-repellent coating, brand silence on PFAS chemistry is a red flag; seek transparency or PFAS-free verified alternatives.

Waterproof or stain-proof treatment

TETON Sports Celsius XL Sleeping Bag

Teton Sports

Celsius XL Sleeping Bag

Polyester shell with water-repellent coating (water-repellent coating) coating; polyester lining

F
F · High PFAS

Unknown PFAS risk; budget sleeping bag lacks transparency on water-repellent coating chemistry.

Waterproof or stain-proof treatment

TETON Sports Evergreen Sleeping Bag

Teton Sports

Evergreen Sleeping Bag

Polyester shell with water-repellent coating water-repellent treatment; synthetic insulation

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry; sleeping bags rely on waterproof coatings that often contain PFAS.

Waterproof or stain-proof treatment

Teton Sports Celsius Regular 0F Sleeping Bag

Teton Sports

Celsius Regular 0F Sleeping Bag

Polyester shell with water-repellent coating finish; synthetic insulation

F
F · High PFAS

water-repellent coating source unknown, contact Teton Sports for PFAS transparency before buying.

Waterproof or stain-proof treatment

Every grade uses the same public rubric. How grades work →