Ciele Athletics FSTCapEthereal - Icon - CircleC - Toad 

Precision-engineered for the run.

The FSTCapEthereal silhouette pushes technical performance with stretch TERRAstop ripstop woven fabric that forms to your head. The carbon-embedded knits enhance moisture management, odour resistance, and durability, keeping you fresh through every mile. Lightweight yet structured, this cap is built for endurance, with aerodynamic shaping and strategic ventilation for ultimate breathability.

Designed for those who demand more from their gear, because every detail counts.

Details

• Brim: ETHERfit integrated brim
  
• Fabric: TERRAstop ripstop ™ stretch woven fabric with COOLmatic | EXP HOLLOWmesh™ knit with integrated carbon yarn for temperature control on sides
  
• Construction: Lightweight, breathable design with stretch woven structure
  
• Protection: UPF +50 protection on front panel and brim
  
• Guarantee: ciele athletics™ Million Miles Guarantee

Key Features

• TERRAstop™ Stretch Woven Ripstop :
  Forms to your head for a precision fit, combining flexibility with technical durability.
  
• RAYaway™ Ceramic Ripstop:
  Positioned on the brim and side panels for targeted sun protection and temperature control.
  
• COOLmatic | EXP HOLLOWmesh™ Knit:
  Integrated carbon yarn on the side panels enhances moisture management, odour resistance, and temperature control through every mile.
  
• COOLmatic | PLUS PROPHORmesh™ Vents:
  Strategic ventilation zones deliver ultimate breathability for aerodynamic, lightweight performance.
  
• Reflective Run Visibility:
  Reflective detailing improves visibility for early morning or evening runs.
• ETHERfit Integrated Brim & VITE Back Closure:
  A structured, aerodynamic shape paired with a secure, low-profile fit built for endurance
  

Materials & Care

• Main Fabric: 85% nylon / 15% spandex
  
• Secondary Fabric: 86% recycled polyester / 10% elastane / 3% polyester / 1% carbon
• Machine wash cold
  
• Hang to dry
  
• Do not tumble dry
  
• Do not use softener
  
• Wash with like colours
  
• Do not bleach

Ideal For

Runners who demand more from their gear — those chasing endurance goals, aerodynamic performance, and all-mile comfort. A strong pick for anyone who wants a structured, technical fit with advanced moisture management, ventilation, and sun protection built into every panel.