Three Triple Seven Clothing and IFILM present the first installment in a series of pieces on BASE Jumping. Each piece features an athlete talking about an aspect of BASE Jumping and shows how he relates to it through glimpses of his BASE Jumping experiences. In this piece, Iiro Seppanen gives a brief introduction to what BASE is and the progression that an athlete will usually follow after getting involved in the sport. Iiro is a professional BASE Jumper with hundreds of skydives and 6 years experience in BASE Jumping. His advice is for experienced skydivers interested in the sport. You can check out Iiro in action on the CBS show The Courier The footage in this segment is from Iiro's travels and experiences BASE Jumping from all over the world. Check out more of Iiro's travels and BASE Jumps in the DVD The Ground is the Limit