The Harlick High Tester models are strong stock boots. The HIGH TESTER model is made w/ Duo Bond ankle reinforcement and Three Layer Construction (Strong Ankle Support). This boot includes Clarino Lining, Achilles Tendon Padding, Ankle Padding, and Rolled Top Lining Edges. All added options - except for Natural Soles w/wax finish and growth or Poron insoles - make a boot modified and NOT returnable for refund or exchange. All uncommon size boots are NOT returnable.