Koloa Surf Co Wave Logo 50/50 Cotton Poly Blend T-Shirts in Regular, Big & Tall Koloa Surf Co(tm) Wave Logo 50/50 Cotton Poly Blend T-Shirts in Regular, Big & Tall. A reliable choice for comfort, softness and durability. Adult Sizes: S-6XL and Tall Sizes: LT-4XLT A reliable choice for comfort softness and durability. This must have style is shrink and wrinkle resistant for good looks that last. 5.5 ounce 50/50 cotton/poly (preshrunk) Double needle sleeves and hem Adult Sizes: S-6XL Tall Sizes: LT-4XLT