UltrAspire Lumen 850 Duo Waist Light bags the ADV Skin 5 is

the ADV Skin 5 is a toned down version of the staple ADV Skin 12

The only non-toxic

Anti Fog Coating: The inner surface of the lens has an additional coating to prevent fog buildup

~Ski Trab Says~

is used on the back

UltrAspire Lumen 850 Duo Waist Light bags the ADV Skin 5 isThe Lumen 850 Duo offers versatility, high lumen output, and a wide feature set ready for any adventure. This light features UltrAspire 3D Lighting which casts shadows across uneven surfaces giving you a better understanding of your terrain. The Lumen 850 Duo comes with a headlamp strap allowing the light to clip in and double as a headlamp. Equipped with 3 regular modes, high, medium, low and a red light mode allows complete control over your lumen