Coolcore Tyndall recycled fabric: Provides lightweight breathability and eco-friendly performance
UPF 50 sun protection: Shields skin from harmful UV rays during outdoor activities
Four-way stretch: Ensures freedom of movement and comfort for active use
Moisture wicking and thermoregulating: Keeps you dry and cool throughout the session
Reflective details: Enhances visibility and safety in low light conditions
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A singlet that takes sun protection as seriously as sweat management.
The S-Tuolumne River is Fractel's Coolcore Tyndall singlet in blue, cut for maximum airflow through the chest and back. UPF 50+ sun protection and four-way stretch handle the heat, with reflective details for early starts. When it's hot and you want the least amount of