Blue Life The Perfect Pant in Black. - size L (also in ) Blue Life The Perfect Pant in Black. - size L (also in ) 100% rayon. Dry clean only. Smocked elastic waist. 19 at the knee breaks to 22 at the leg opening. BLUE-WP77. B007 1200. You may have heard about the trendy Planet Blue boutique in Malibu and Beverly Hills, but did you know about the store's own brand, Blue Life? Comfy hoodies and tees that aren't your basic old pieces, with details that will have you coming back for more.