Zett Corporation (Head Office/Tennoji-ku, Osaka, President and CEO/Hiroyuki Watanabe) has launched a full-body expansion from head to toe under the theme of "THE NEXT STEP" for the Spanish/Barcelona-made neckwear brand "Buff" (バフ), which it handles. As the first installment, high-performance socks [BUFF SOCKS] for outdoor activities such as trail running and hiking were released in late June 2026, in 3 types (COOLNETTM, DRYFLX®, MERINO LIGHTWEIGHT) with 2 sock lengths (CREW/19cm, QUARTER/9.5cm). Release page here ■COOLNETTM "RUN COOL" Lightweight and breathable CoolNetTM socks use HeiQ® Smart Mint Cooling and Odor Technology to keep your feet fresh mile after mile. Moisture-wicking fibers, breathable mesh zones, and arch compression for support ensure maximum comfort and stability. Flat-toe seams prevent friction, making them ideal for everything from beating your personal best to casual jogging. SOCKS COOLNET CREW DUSTY BLUE SOCKS COOLNET CREW Price: ¥3,630 (¥3,300 excluding tax) Colors: GRAPHITE, BLACK, WHITE, LIME, KHAKI, PINK, SEAGROVE GREEN, DUSTY BLUE, DESERT Sizes: S(21.5-23cm), M(23.5-25.5cm), L(26-28cm), XL(28.5-30cm) Weight: 45g Materials: 58% Polyamide, 20% Polyurethane, 18% Recycled Polyester, 4% Recycled Polyamide Country of Origin: Spain Product page: https://zett-jpn.jp/buff/buffproducts/products-category/474!476 SOCKS COOLNET QUARTER DUSTY BLUE SOCKS COOLNET QUARTER Price: ¥3,300 (¥3,000 excluding tax) Colors: GRAPHITE, BLACK, WHITE, LIME, KHAKI, PINK, SEAGROVE GREEN, DUSTY BLUE, DESERT Sizes: S(21.5-23cm), M(23.5-25.5cm), L(26-28cm), XL(28.5-30cm) Weight: 38g Materials: 58% Polyamide, 20% Polyurethane, 18% Recycled Polyester, 4% Recycled Polyamide Country of Origin: Spain Product page: https://zett-jpn.jp/buff/buffproducts/products-category/474!475 ■DRYFLX® "RUN DRY" Improve your runs with DryFlx® running socks. Quick-drying fabric, breathable zones, and HeiQ® Smart Mint Cooling keep your feet cool, dry, and fresh during intense runs. Engineered com