Lululemon Energy Bra Size:4 Is sweat-wicking, four-way stretch, and engineered not to shrink full-on® luxtreme Four-way stretch Full-On® Luxtreme fabric is sweat-wicking and offers great support and coverage with a cool, smooth feel incredible support and coverage sweat-wicking four-way stretch cool smooth handfeel naturally breathable features Designed for: Training Lycra®: Added Lycra® fibre for shape retention