On Women's Zero Jacket Size:Extra Small Body Fabric: 80% Cotton /

Body Fabric: 80% Cotton / 20% Polyester

which is the grippiest and lightest formulation ever created by Vibram®

Drop: 5mm (38mm / 33mm)

Ventilation on the Fly - The Flyvent Waistband provides lightweight ventilation for exceptional comfort

Targeted support - Runners need socks that stay on pace

On Women's Zero Jacket Size:Extra Small Body Fabric: 80% Cotton /Ultralight and packable. This is the all weather, water repellent jacket that ticks all the boxes and tackles all the elements. Ultra light, with high protection against the elements. Every detail is reduced to the minimum for maximum performance. Targeted ventilation for an airy sensation. Easy to pack. Even easier to run in. Product Highlights Lightweight, breathable. World class athletes have given their input and expertise to design every feature