The Irina Blazer crafted from a lightweight linen blend in a floral print, features pearlescent buttons, notched lapels, flap pockets, and subtle tailoring details like soft shoulder pads and waist darting. The Irina Blazer crafted from a lightweight linen blend in a floral print, features pearlescent buttons, notched lapels, flap pockets, and subtle tailoring details like soft shoulder pads and waist darting. Named after the original NYC flagship store address, Derek Lam launched Derek Lam 10 Crosby in 2011 to elevate and transform everyday style through fit, form, fabric, color, and attitude.