Lululemon Wunder Train Track Jacket size 12 Keep your gym look on track. Made from a twill version of our breathable Everlux™ fabric, this track jacket keeps you feeling effortlessly cool from workday to workout. our fastest-drying, everlux™ twill fabric Our fastest-drying fabric Abrasion-resistant Breathable Sweat-wicking Four-way stretch Supportive Soft twill texture on the outside with a smooth interior Added Lycra® fibre for stretch and shape retention features Front hand pockets with hidden phone pocket and card sleeve High neck for added coverage