M&S Collection Slash Neck Devoré Tunic Dress - style: tunic; neckline: slash/boat neckline; predominant colour: aubergine; occasions: evening, occasion; length: just above the knee; fit: straight cut; fibres: polyester/polyamide - mix; sleeve length: long sleeve; sleeve style: standard; pattern type: fabric; pattern size: standard; pattern: patterned/print; texture group: velvet/fabrics with pile; season: s/s 2013