Thank you very much for taking a look at my listing. ✦ Free Shipping, Brand New, Unused, Immediate Purchase OK! ✦ Reliable operation confirmed. XL size ✅ PCM Cooling Vest 【Instant Cooling & Reusable!】 With NASA technology PCM material, it feels cool the moment it touches your skin! Comfortable even in midsummer with a perceived temperature of -16℃ ✨ ✔ Cooling effect lasts for about 2-6 hours (great for commuting and outdoor work) ✔ Washable and reusable! Can be used repeatedly 1 million times ✔ Lightweight and thin, mesh material prevents stuffiness ✔ Unisex (M to XL compatible) Can be worn under work clothes ✔ No need for ice packs, economical! Save 5,000 yen per season ♪ ✔ Perfect for construction sites, commuting, sports, and outdoor activities This summer, it will definitely be a big success!