Yo no soy marinero, soy capitan. It is featured in this performance wear as well as T-shirts and sticker. It hits all the marks on comfort and sun protection with UPF 50+ and a 4 way stretch in all the right places. PRODUCT INFO Garments fit true to size with a slight stream line cut. We suggest going with the size you typically wear in your favorite t-shirt. Materials: 91% recycled microfiber polyester/9% spandex Details: Superwick technology- Wicks 3 times faster Eco-Friendly yarn made from recycled bottles Four-way stretch Anti-microbial technology Wrinkle resistant finish UPF 50+ protection RETURN AND REFUND POLICY Returns and exchanges are available for items that have tags on, are clean/unworn, and/or are defective. Items must be returned within 30 days of receipt. Shipping costs are nonrefundable. Worn, laundered, items are not valid for return or exchange.