【Makuake Pre-release】Revolutionizing Summer Heat with Arm Covers × Ice Bottle "Circulation Cooling" System. KONCIWA Proposes "Rechargeable Coolness" Launching May 5th!

KONCIWA Co., Ltd. will begin pre-sales of an innovative "arm cover x ice bottle" set on the crowdfunding service Makuake from May 5, 2026 (Tuesday). This product solves the weakness of conventional arm covers, which warm up during use, through a unique cycle of "cooling recharge" using a dedicated bottle. It proposes a new summer habit that combines sustained coolness and top-tier UV protection. [Project Page] https://www.makuake.com/project/konciwa-ice-idea/ (To be publicly available from May 5, 2026) Learn more ■ The Core of the Product: The Original "Circulation Cooling (Cycle Cooling)" System This product redefines the ice bottle not merely as an insulated container, but as an "energy station" for arm covers. - Cooling Re-charge: Simply roll up the arm cover, which has absorbed body heat and warmed up, and place it in the bottle. The powerful cold air emitted by the internal ice pack "revives" the cooling sensation in just a few minutes. - Sustained Cooling Loop: Through a unique collaboration that combines "carrying ice" and "absorbing heat," you can maintain the initial icy coolness all day long, even when you're out and about. ■ Innovation of the Ice Bottle: Advanced "Half-Type Silicone Ice Pack" Design We thoroughly reviewed the internal structure of the bottle from the ground up in pursuit of functionality. - Multi-space Utilization: The ice pack is designed to be half-sized, securing space for cooling the arm cover. Furthermore, it can also be used as a "mini cooler" to store chocolates, candies, and regular medicines without melting. - Two Selectable Cooling Modes: You can choose between "Instant Mode," which uses commercial ice as is, and "Extreme Rapid Freeze Mode," which involves filling with water and freezing. - Double-layer Vacuum Insulation Structure: The double-layer structure, adopted with SUS304 stainless steel, thoroughly blocks external temperatures. Designed to prevent condensation, your bag won't get wet, and when applying direct physical cooling to the skin, a dry and comfortable sensation continues. - Fully Washable & Portable: All parts can be disassembled and washed, making it hygienic. With a lightweight design of approximately 180g and a cap-integrated hook, it can be carried effortlessly during commutes or outdoor activities. ■ The Dedication of the Arm Cover: Japanese Standard "Extreme Sun Protection" and "Instant Coolness" It boasts top-tier quality, having cleared strict tests by a domestic inspection agency (Boken). - Overwhelming Shading Rate: UPF 50+ certification. UV shielding rate records over 99.9% for black and 99.3% for white. The highly durable design ensures performance does not degrade after 10 washes. - The Impact of q-max 0.385: The index for feeling cold the moment you touch it marks 0.385, significantly exceeding the industry standard (0.2). - PCM Material Blending: Phase Change Material (PCM), also used in space suits, is adopted for the fabric. It absorbs and stores heat, maintaining a lower temperature sensation for longer than general arm covers. ■ Product Specifications / Color Lineup Ice Bottle Colors: White / Black / Pink / Light Blue Specs: Height 22.3cm / Diameter 6cm / Weight Approx. 180g (Capacity: Body 260ml / Ice pack 70ml) Materials: SUS304 Stainless steel, Silicone Arm Cover Colors: White / Black Specs: UPF 50+ / q-max 0.385 (Black) / PCM material blend "Coolness you can use again," in your hands. Experience KONCIWA's best cooling solution this summer on Makuake. ■ Official Information Online Store: https://konciwa.com/ Instagram: https://www.instagram.com/konciwa_official/ X: https://x.com/Konciwa100 Facebook: https://www.facebook.com/profile.php?id=61559899507418 TikTok: https://www.tiktok.com/@konciwa LINE: @617erxdb ■ Contact Information for Publication KONCIWA Co., Ltd. 03-4578-0000 (Representative) 1F Hayahashi Building, 3-4-3 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan E-mail: support@konciwa.com