Beneunder Men's Sunscreen Ice Silk Cooling Arm Sleeves UV Protection for Driving, Cycling, Sports - Anti-Blackening and Sunburn Prevention, Dark Twilight Black

Titanium-core porous air yarn with high content nano titanium dioxide in yarn core layer.

UPF 50+ sun protection.

High breathability with ≥500 mm/s air permeability.

Matrix 3D mesh structure with high-density ventilation holes for dynamic moisture and heat dissipation.

Moisture absorption and quick-dry rating ≥ Level 3.

Fabric features multi-angle solar light deflection and visible light blocking.

No fabric thickening needed for UV protection.

3D ergonomic cutting with elbow joint expansion for free movement.

Zero binding stretch fabric, high elasticity, soft and comfortable.

Four-way stretch with seamless cuff for long-term wear without tightness.

Instant and lasting cooling sensation on skin, with elbow inner cooling coefficient ≥0.24 (national standard).

AAA grade durable antibacterial effect.

Maintains antibacterial efficacy after 50 washes.

Resistant to deformation, fading, snagging, and pilling.

Certified compliance with multiple national and international standards.

Right arm marked with "R" for easy left-right identification.

Data sourced from third-party testing agencies.

Slight variations may occur between production batches; refer to actual product.

Dusk Black

Mountain Gray

Frozen Lake Blue

Cooling performance tested per GB/T 35263-2017.

Moisture absorption and quick-dry per GB/T 21655.2-2019.

Breathability per GB/T 5453-1997.

Elasticity and recovery tested with Janezt-JSBZ-5004.

UPF 200+ sun protection tested with Janezt-JSBZ-5002.

Antibacterial testing per FZ/T73023-2006.

Sensory gene refers to fabric and pattern as fundamental comfort factors (non-medical term).

Product designed for strong breathability and effective sun protection without fabric thickening.

Ergonomic design ensures no restriction during elbow bending and sports activities.

Cooling effect remains effective during high-temperature exercise.

Data and certifications verified by independent third-party institutions.