FABRIC: Boys Swim Trunks Compression Beach Shorts are made from quick drying, lightweight, breathable and stretchy 100% polyester that blocks 98% of harmful UV rays. New Compression Short Liner Design: The Lollipie Swim Trunks have a silky smooth stretch Compression Lining. It's a lightweight, ultra-supportive, chaf-resistant Boxer Brief Liner that provides breathability and support as your boy stretch. In addition to that, The Compression Liner Swim Shorts protects your skin from scratches and prevents sand from sticking to your skin. FEATURES: Drawstring waist, double side pockets; high-tech 3D all-over pattern printing, durable and non-fading; unique and novel printing styles include stripes, Hawaiian leaves, pineapples, palm trees, 3-Flamingos, etc. OCCASIONS: The Boys Compression Liner Swim Trunks are perfect for swimming, surfing, summer beaches, water parks, pool parties, sports or training; Boys' Swim Shorts with Compression Liner are available in a variety of styles and sizes. Please refer to the size chart when purchasing. Note: The color may be slightly different under different monitors.