"Yaktrax® Hand Warmers 40 count: Stay warm during winter running, camping, fishing, and skiing with these air-activated hand warmers designed to deliver reliable heat when you need it most. Each warmer in this 40-count pack provides up to 8 hours of continuous warmth, making them ideal for extended outdoor pursuits in cold conditions. Simply expose them to air, slip them into your gloves or pockets, and you're ready to head out. The unisex design works for any outdoor enthusiast facing winter temperatures, whether you're tackling an early morning trail run, waiting for fish to bite, or working through a winter hunting trip.Yaktrax Hand Warmers use a blend of natural ingredients-iron powder, water, salt, activated charcoal, and vermiculite-to generate odorless heat that keeps your hands comfortable without any chemical smell. The natural ingredient formula is safe to handle and won't irritate your skin, giving you peace of mind while staying warm. With 40 individual warmers in each pack, you'll have plenty on hand for multiple outings or to share with training partners and outdoor companions. They activate quickly and maintain steady warmth throughout your time outdoors, so you can focus on your activity instead of cold hands.Why Our Fit Experts Love It""I grabbed a pair of these for an early morning winter run, and they stayed warm the entire time without any odor or irritation. The 8-hour duration means I can use them for my full day of outdoor activities without needing to swap them out."" - Sean, Road Runner Sports Fit Expert, Chula Vista, CAWho It's Best ForYaktrax Hand Warmers are best for anyone spending extended time outdoors in cold weather, including runners tackling winter training, hunters, campers, and anglers. They work well for athletes and outdoor enthusiasts who want a simple, reliable way to maintain hand warmth during daily winter activities, long outings, or recovery-day hikes. If you're looking for a practical cold-weather accessory that doesn't require batteries or complicated setup, this 40-count pack ensures you have warmers ready whenever cold weather strikes. VIP Family members can take the Hand Warmers 40 count for a 90-Day test drive with our Perfect Fit Guarantee."