Snugpak TS1 Sleeping Bag Liner Black Lighting the RX inserts are mounted

the RX inserts are mounted onto the back of the glasses allowing you to change lenses to any given light condition

Rimless lenses

Material: 50% Cotton / 50% Polyester

eliminating any cold spots and a warming strip along the zipper prevents heat loss even further

Snugpak TS1 Sleeping Bag Liner Black Lighting the RX inserts are mountedDesigned to add thermal insulation to your sleeping bag, the black Snugpak TS1 Liner is a lightweight addition to your camping or hiking gear should you need extra warmth when temperatures plummet. Providing instant warmth, thermal suede is moisture wicking and highly breathable, allowing air to circulate which assists in regulating body temperature and preventing overheating. Compactible and weighing only 320g, it can alternatively be used as a