When feeling nothing is everything. The lululemon Align collection, powered by Nulu fabric, is so weightless and buttery soft, all you feel is your practice. Designed for Yoga. Full length intended to sit at ankle. Hidden waistband pocket fits a card or key, and won't get in your way. This collection's great for low-impact workouts like yoga, or whenever you want to feel really, really comfortable. NuluTM Fabric Feels Buttery-Soft and Light as a Cloud. Body: 81% Nylon, 19% Lycra elastane.