FNDN Heated Sports Socks

FNDN™ Heated 3.7V Sports Socks

Whether you’re lacing up boots, shoes, or skates, the FNDN™ Heated Sports Socks keep your feet warm and comfortable through long winter days. Designed for both men and women, these sleek rechargeable socks provide lasting warmth and relief for cold-weather discomfort, poor circulation, arthritis, or Raynaud’s Syndrome —without sacrificing fit or mobility.

Powered by Radiant Core Heat™ technology and the compact BEGO rechargeable battery system, these socks deliver four adjustable heat levels, including battery-saving Smart Pre-Heat mode, with up to 4.5 hours of runtime on a single charge. Built from a merino wool blend for natural insulation and moisture control, they’re the perfect all-day solution for everything from outdoor sports to cold morning commutes.

Features

Four Radiant Core Heating Levels: High, Medium, Low, Smart Pre-Heat

Up to 4.5 hours of continuous runtime

Compact BEGO high-performance battery system

Universal USB charging

Machine washable (remove batteries before washing, lay flat to dry)

Designed for use under boots, shoes, or skates

Fabric

65% Merino Wool

30% Nylon

5% Spandex

Includes

1 pair of FNDN™ Heated Sports Socks

2 BEGO 3.7V Li-Ion rechargeable batteries

1 USB dual battery charging cable

Size Information

S/M: Men’s 4–11 / Women’s 6–13

L/XL: Men’s 12–15

Care Instructions

Machine wash on delicate (remove batteries first)

Do not bleach