- Coarse outer foam traps large particles while fine inner foam catches the finest dust
- Super Seal neoprene ring keeps out water and provides a no-grease seal
- Bonded, two-layer foam designed for maximum protection and airflow
- Flexible glue is used on all seams to prevent cracking
- Exclusive 0.65 foam
- Made in the U.S.A.
Eton -- DXL 90 Sierra -- (1999, 2001, 2004, 2005, 2000, 2002, 2003); Eton -- TXL 50 -- (1999, 2001, 2003, 1998, 2007, 2002, 2004, 2005, 2000, 2006); Eton -- TXL 90 Thunder -- (2003, 2000, 1999, 2001, 2002)