DryMax Collar; Soft subtle collar seal, water tight comfort. Strategic Placed Seams; Strategically placed seams to eliminate chaffing, maximise flexibility and comfort. Dry Max Entry; Water resistant Back Zip incorporating an internal barrier and the single layered collar also provides a water tight, chafe free seal. Solar Mesh 5; Increased Solar Mesh Area. Solar Mesh 5 acts in the same way as solar panels, by absorbing the suns heat, trapping it within the cell structure of the mesh, Solar mesh 5 is 30% warmer than any nylon covered neoprene.Impact Welded Seams; Seams are welded shut internally and externally with a flexible, durable water tight seam seal. Furnace Thermal Lining; Quick drying Poly Propylene jersey lining the chest and back panels of the SG5 series. The lining increases heat retention on your core body area making the suit warmer. Silicon Gripers; Silicon gripers at the wrist and ankle area to eliminate movement and water entry. Zero Gravity Superflex Material; The all new Solution SG5 utilises BILLABONG'S new ZERO GRAVITY SUPERFLEX neoprene...Increased cell size in the foam core makes this warmer, lighter and more flexible than ever before. 3D Moulded Supratex Knees; Abrasion resistant 3D moulded knee pads for flexibility and durability. Hidden Externel Key Pocket; Easy access positioned key/stash pocket.