Yamamoto 1.5mm SCS shoulders and arm panels for maximum flexibility. A built in silicone band on the inside just above the elbow so the suit is designed to be cut by the user if desired. 5mm Yamamoto #39 SCS back and side panels for upper body buoyancy. 2mm front and back legs with high stretch lining designed for free flowing running. These seams are glued only and not stitched helping to minimise any chaffing from the thread. Higher durability backside panel for durability on rugged terrain. Front zip with cord for easy access and breathability / temperature control during the run. Pro-Speed silicone coated arm cuffs allowing the suit to be taken off more quickly. Bright colours for visibility Two internal pockets on the front and one large external pocket on the back.