The EFFECTOR Eyewear Spring/Summer 2012 collection is loaded with design collaborations. British cashmere knit brand CASH CA has joined up with the Tokyo optics label to create this collaborative English Rose glasses frame. Designed by Kazuki Kuraishi, the chic retro-inspired acetate frame is constructed around a herringbone wire core, and is handmade in Japan. The English Rose collaboration frame will retail for ￥29,400 JPY (approximately $350 USD). Check in with EFFECTOR stockists for availability.