Ideal for beginner and intermediate climbers, the Elektra VTR Climbing Shoes are built for comfort and high performance in the gym and on the rock. The perforated Synthratek upper is breathable and sturdy, while TRAXR high friction rubber soles provide the grip you need for climbing.. . Upper: synthetic perforated Synthratek upper. Lining: Nylon comfortable and plush. Midsole: MX P: 1mm sensitive half length. Sole: 4.2mm TRAXR high friction rubber. Rand: VTR rand thicker front toe area. For women and men with low volume feet. Plush, slipper like comfort. Convenient hook and loop closure. Profile: Asymmetrical. Weight: 6.6 oz 12 pair size 7 women's.