Osprey Origin Girls Long 5Mm Wetsuit Black/Blue This Osprey Origin Girl’s 5/4mm winter wetsuit has bold blue accents adding colour to the classic black design. A 5/4mm wetsuit means the Osprey Origin has panels of 5mm thick warm insulating rubber, with 4mm panels under the arms, where you need more flexibility and stretch for paddling and surfing. A 5mm full length wetsuit is the standard thickness for an autumn and winter wetsuit in the UK and Ireland, and Europe. A great value beginner and intermediate’s wetsuit for when you are passed the stage of hiring one and want to start surfing later into the year, and now it’s time to invest in your very own wetsuit. 3/2mm Neoprene, Foam SBR / CR Nylon Inner Shell Fabric Flatlock Seams Wind Resistant Mesh, Ergonomic Panelling Super Stretch Collar Anti-Rub Openings, Anti-Flush Collar Supratex Knee Pads Key Loop Back Zip