W ON Cloudmonster 3 Birkenstock A stabilizing system that combats

A stabilizing system that combats overpronation while providing a smooth entry into the gait cycle

83% POLYESTER 17% ELASTANE

Seamless Toe to prevent irritation

The new Sigma Aria strikes a unique balance of speed and endurance

100% POLYESTER

W ON Cloudmonster 3 Birkenstock A stabilizing system that combatsWe've levelled up the latest Cloudmonster, bringing back the max cushioning and forward rolling ride you love. Now featuring a triple layer CloudTec cushioning system for more responsiveness. Key Features Weight: 240. 0g CloudTec cushioning system engineered for responsive runs Helion foam for comfort and energy return Speedboard for propulsion Knit upper engineered for breathability Enhanced rocker shape for energetic push offs Compressed rubber