Our top-end XPS board takes all the technology in the Flare and goes even further. 42” I 45” Construction: Core: 100% waterproof XPS Deck: 4mm IXPE Rails: Double 4mm IXPE Bottom: 0.4mm reinforced HDPE Mesh slick Leash: Coil urethane Features: Channels The 100% waterproof XPS core is reinforced with a HDPE Mesh Slick for even more strength, projection and durability. This stronger base married to the high density IXPE deck and rails gives great stiffness and a solid, confidence-inspiring feel. On top of this, the Fuse features a high quality Coiled PU Leash to reduce tangles and let you concentrate on your paddle stroke.