Material: Our beach shorts are made of polyester with a silky compression lining and are ultra-light, breathable, chaf-proof boxer briefs.Durable swimming bottoms,light weight high-performance & water repellent for Quick-drying,with moisture-wicking features and protect your kids from sun’s harmful ultraviolet rays. Features: New generation compression liner design.Waterproof,4-way stretch polyester fabric,a elastic waistband with adjustable drawstring,double side pockets.This Compression Liner Swim Shorts protects your skin from scratches and prevents sand from sticking to your skin.Also it's not only a bathing suit,but also a nice piece for playing,running,training,workout. Design: high-tech 3D all-over pattern printing, durable and non-fading; unique and novel printing styles.Drawstring waist,kind elastic waistband offers a great, personal fit.Big boys Sizes 6-8 10-12 14-16 18-20 is a must have beachwear essential,including youth young men. Occasion: The Boys Compression Liner Swim Trunks are perfect for swimming, beach volleyball, surfing, sports or training and other outdoor sports, suitable for the whole summer, let your boys spend a comfortable and personalized summer. Our brand: If you have any pre-sale and after-sale questions, you can email us, and we will provide a 6-month quality service.