2025 Model Wind Core ICE & HEATER Peltier Vest PRO 2 Innovative Technology for Both Summer and Winter Keeps you comfortable year-round with 5 high-performance Peltier elements. Amazing Cooling & Heating Effects Cool in summer, warm in winter. Supports comfort even in harsh environments. Design Pursuing Ease of Movement Stretchy fabric fits any movement. Perfect for work and outdoor activities. Pinpoint Temperature Adjustment Fine-tune the cooling position with the dial on the right chest. Active in Scenes Like This Outdoor work in the scorching sun. Gardening and DIY in the sweaty season. Winter outdoor leisure and sports viewing. Offices and indoor work where you feel the cold. Please contact the manufacturer for initial defects. No price negotiations. Thank you.