Keep the sand out in the Billabong Boys’ All Day Unity Performance Fit Short Sleeve Rashguard. This little boys’ surf tee is made from super stretchy, silky smooth, premium polyester fabric sourced from recycled PET plastic bottles for a sustainable, comfortable fit throughout. Constructed with flatlock stitched seams and built-in UV ray protection, this tot’s rashguard is topped with short raglan sleeves and Billabong graphics at the chest and back for a bold look.