• Black Shark Tooth rubber
• Least slide

Sizing Chart for KR Strikeforce Heels

• X-Small- Womens 6.5-7
• Small - Womens 7.5-9, Mens 7-7.5
• Medium - Womens 9.5-11, Mens 8-9.5
• Large - Mens 10.5-11.5
• X-Large - Mens 12-13