Kocotree KK Tree Kids Cooling UV Protection Arm Sleeves Original Yarn Sun Protection Boys Girls Ice Silk Sleeve Gray

UPF 50+ sun protection with certified durability after 1000 washes (UPF169 confirmed by third-party testing)

Original yarn technology with antibacterial, cooling, sun protection, and breathable properties

High elasticity with four-way stretch yarn and ergonomic design for comfortable, non-binding wear suitable for children

Cooling factor 1.4 times higher than national standard, rapid heat dissipation for all-day comfort

Heat shielding rate of 43.8%, reducing skin temperature by up to 9.87°C

Antibacterial rating 7A, far exceeding national standards, safe for children including infants (Class A standard)

Durable against snagging and machine washable without loss of function or quality

Certified by multiple international and national bodies including CNAS, ILAC-MRA

Color-changing UV indicator tags available in yellow or blue, shipped randomly (not a quality issue)

Ergonomic widened elastic cuffs with tapered design for secure fit and freedom of movement

Suitable for outdoor activities, especially for children’s travel and play in sunny environments

Meets GB/T 20944.3-2008, GB/T 18830-2009, GB/T 35263-2017, GB/T 31701-2015 standards

Infant-safe Class A certification with no harmful substances detected (formaldehyde-free, no carcinogenic aromatic amines)

Tested for 1000 washes maintaining sun protection, cooling, and antibacterial properties

Machine washable, recommended to air dry

Designed for long-term outdoor use with sustained functional protection

Kocotree (KK Tree) is dedicated to children’s outdoor research and development for over 16 years, focusing on innovative, high-quality protective wear that encourages children to explore nature freely and safely. The brand emphasizes creativity, freedom, and comfort in children’s outdoor experiences.

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