Lululemon Cool Racerback *Luxtreme Size:6 Lightweight, buttery-soft Nulu™ fabric wicks sweat and is four-way stretch buttery-soft handfeel lightweight sweat-wicking four-way stretch features Designed for: Training Lycra®: Added Lycra® fibre for shape retention Mobility : Racerback cut for full range of movement Tight fit: Lets you move without restriction