Running tank top designed for performance

• Ultra light: 74 grams
• Breathable
• 100% plant-based nylon
• 1.53kg of CO2 emitted (49% less than a standard running tank top)

BioPerf™ nylon is derived from castor beans, a naturally growing, renewable resource.

The lightness and softness of BioPerf ™ can make it sensitive to repeated friction from a hydration pack.