Roxy Wetsuits - Roxy Syncro 5/4/3mm Back Zip Wetsuit - Black :: Women > Wetsuits. GBS: Glued and Blind Stitched for limited water entryFN Lite Neoprene: Fill with air cells for lightweight warmthDetails: Logo details to chest and armsEntry: YKK back zipThickness: 5/4/3 mmFit: Long sleeve wetsuitLining: Bio-fleece for insulation and comfortMaterial: 92% Nylon. 8% Elastane Size: 16.