PERFORMANCE TECHNOLOGIES: Digi Comp quarter makes the skate more comfortable and reduces weight over the S37 skate Traditional facing helps players flex over their toes and provides wrap on top of the foot to maintain comfort 40oz Felt Tongue is a great option for players offering more comfort and ease of flex LS Edge holder offers reliability and the ability to change steel quickly The symmetrical toe cap makes the boot more comfortable by adding slightly more room at the very front