When the waves are pumping, don’t let a little sun burn send you to the beach. The performance fit, Boys All Day Wave rashguard delivers UPF 50+ sun protection with ergonomic seams and a silky smooth fabric. Boys long sleeve rashguard. Traditional mock neck. Silky-smooth feel. Billabong wave logo at center chest and small wave logo at back neck. Performance Fit: slimmer, traditional rashguard fit with ergonomic seam placement, built for surfing and sun protection. 91% nylon 9% spandex.