Innovative KK Tree original yarn with over 1000 times water wash durability, maintaining protection and performance after repeated washing.
Nobel Prize-winning scientist guided yarn development ensuring no dye or chemical additives.
Superior sun protection with UPF 40+ rating, blocking over 95% of UV rays, certified by third-party authoritative institutions.
Cooling technology embedded in yarn providing instant and lasting cool sensation (cooling coefficient 0.2 J/(cm²·s), exceeding national standards).
Moisture-wicking and quick-drying performance rated ≥4 level according to GB/T21655.2-2019 standard.
Breathable mesh structure in sweat-prone areas for enhanced ventilation and comfort.
Antibacterial properties embedded in yarn using photon broadband irradiation technology, maintaining 7A antibacterial grade after multiple washes (tested up to 150 washes).
Safe for infant skin, meeting A-class national standards (GB31701-2015), free from formaldehyde and harmful substances.
Durable four-needle six-thread stitching with seamless bone-free design for skin-friendly comfort and enhanced durability.
Color variations may occur between production batches, considered normal.
Suitable for daily wear and various sports activities including ball games, mountain climbing, walking, and cycling.
Certified by international bodies including ILAC-MRA, MA, CNAS, and CIC with market position confirmation certificate valid until December 12, 2034.
Male, 107 cm/17 kg, size 110 fits well (Chest 53 / Waist 52 / Hip 54)
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