From Lululemon: Why we made this: The deep end beckons. These streamlined swim shorts are designed with thoughtful details that make them perfect for a day in (or out) of the pool. Designed for Swim Water-repellent Abrasion-resistant Breathable mesh fabric liner with Xtra Life Lycra® for chlorine resistance This product contains recycled polyester and nylon made from repurposed plastic waste Classic Fit, 5" Length Streamlined fit that gives glutes and thighs breathing room Bonded perforations for water drainage Silicone artwork on drawcord provides extra grip in the water Zippered pocket Materials Knuckle side pocket: 80% Recycled nylon, 20% Elastane Body: 89% Recycled polyester, 11% Elastane Liner: 82% Polyester, 18% Xtra life lycra® elastane Purchased the wrong size and can’t return NWT!