The light, breathable Alitza offers the same simplistic FiveFingers experience with a fashionable look. Perfect for fitness classes, barre and studio sessions where you want a minimalist feel, the additional straps aid in functionality and design.. . Stretch polyamide upper. XS Trek compound offers an optimal balance of traction and durability. Engineered for stability and comfort. 3.5mm Vibram rubber outsole is responsive on unpredictable terrain. 2mm EVA insole with antimicrobial Drilex sockliner. Vegan. Machine wash coldAir dry.