Icebreaker Women's Hike Lite Liner Sock Spring Powered by a dedicated 18650

Powered by a dedicated 18650 rechargeable Li-ion battery

Light indicates flash warning when battery voltage is lower 3V

Dimensions Length: 5

Two brightness levels + two strobe @ 100% output

uses Samsung cell

Icebreaker Women's Hike Lite Liner Sock Spring Powered by a dedicated 18650We've maximized the comfort of all our socks, re engineering them using new yarns that increase stretch, loft and softness while still maintaining exceptional durability. Thin and light yet durable, our hiking liner gives your feet an extra layer of protection in cold weather. Fabric: 60% merino wool, 38% Nylon, 2% LYCRA Layer: Socks Best for: Outdoor & Hiking Benefits: Lightweight, durable, naturally odor resistant, breathable Features: Essential