HEATBLOCK KALCT, which is a hot topic in crowdfunding, is finally in stock. An ultra-lightweight long umbrella with an astonishing lightness of 250 grams made of light-shielding fabric with a 100% light-shielding rate and a 100% UV cut rate. HEATBLOCK has a two-layer structure in which a light-shielding film is bonded to the back of the fabric, and with this structure, Ambel has achieved a 100% light-shielding rate and a 100% UV shielding rate. As long as the fabric is not torn, the shading effect is semi-permanent. HEATBLOCK KALCT has an umbrella frame structure that can withstand wind speeds of up to 14 m/s by optimizing the combination of materials and part sizes.