Product Description: Stay warm in any climate with these advanced heated insoles. Powered by efficient carbon fiber elements, they deliver adjustable heat up to 50°C via any USB power bank, making them for winter hiking, camping, skiing, and fishing. Made with soft EVA foam and silicone, they cushioning, arch support, and can be trimmed to fit shoe sizes 35–45 for men and women. Lightweight, rechargeable, and designed for all-day comfort, these insoles provide reliable warmth in zing conditions—simply plug in, set your temperature, and enjoy cozy feet wherever you go. Product Specifications: Feature Specification Heating Technology Efficient Carbon Fiber Heating Elements Temperature Range Adjustable, Up to 50°C (122°F) Power Source USB Rechargeable (5V/2A) – Works with Power Banks Material EVA Foam, Silicone, Composite Fiber Sizes Available 35-45 (Trimmable for Custom Fit) Heat Settings Adjustable via Included Controller For Hiking, Camping, Skiing, Fishing, Winter Sports Included 1 Pair Insoles, USB Charging Cable Additional Details: Fast, Adjustable Warmth: Customize your comfort with adjustable heat levels that respond to your environment and activity. All-Day Comfort: Soft EVA foam provides cushioning and arch support while remaining flexible for natural movement. Custom Fit: Insoles can be trimmed to match your exact shoe size, ensuring a secure, comfortable fit. Portable & Rechargeable: Powered by any USB power bank, ing hours of cordless warmth i for outdoor adventures. Unisex & Versatile: Designed for both men and women, suitable for a wide range of winter activities and everyday cold-weather use. Frequently Asked Questions (FAQs): Q1: What power source is required? A: They are powered via USB and require a 5V/2A power bank or USB adapter (not included) to operate. Q2: Are they waterproof or sweat-resistant? A: They are made from moisture-resistant materials but are not fully waterproof. Avoid submerging them in water. Q3: How long does the battery last? A: Runtime depends on your power bank’s capacity and the heat setting used. On medium heat, a 10,000mAh bank can typically provide several hours of warmth. Q4: Can I trim the insoles to fit my shoes? A: Yes, they are designed to be safely trimmed along marked lines to customize the size and shape for your footwear. Q5: Are they suitable for all shoe types? A: They work in boots, hiking shoes, or winter footwear with enough interior space to accommodate the slight added thickness of the insole.