FlipBelt Training Short-Sleeve Shirt, Men's Summer Round Neck Quick-Dry Shirt, Antibacterial Breathable Silver Ion T-Shirt, Sports Running Top

Superior cooling and heat dissipation with ultra-breathable fabric.

Antibacterial properties confirmed with 98.1% and 92.0% effectiveness (data from national authoritative testing agencies).

Seamless design for zero friction during long runs.

Baby-grade seam craftsmanship.

Rear neck hanging loop for convenient storage.

Suitable for track and daily wear with seamless switching.

Part of the hardcore runner’s gear guide including Training Short Sleeve 4.0, Air Pants 4.0, and Bean Socks 4.0.

Updated Asian sizing chart (e.g., new M size corresponds to old S size).

Customers who purchased previous versions should refer to the size conversion chart.

New customers advised to select their usual size.

New Sprout Green

Lichen Green

Flowing Sand Gray

Wind Whisper White