Ergonomic M-Fit: Medium grip diameter to fit male palm size. SQS - Safety Quick Release System: The Atomic Safety Quick Release System (SQS) instantly releases your strap under tension to prevent injuries. 4* Aluminum Pole Technology: 4* Aluminum poles are extra durable poles made from high-grade aluminum with high-tensile strength. Ergonomic AMT Grip (2K): An ergonomically shaped 2-component grip for All Mountain skiing. It comes in different sizes for male and female hands, with special ridges for improved grip. Essential Strap: Easy-to-use strap with size adjustment.