The Cushion Pro has comfort from inside. Propet Preferred orthotic insoles are designed specifically to improve foot function, reduce pain caused by poor foot biomechanics, and to prevent further problems or injuries in the future. Designed to relieve pressure in the heel area by adding soft cushioning gel for maximum shock absorption. Semi-rigid heel stabilizer provides superior arch support, improved balance and alignment, and exceptional rear foot control. Provides active, all-day relief by reducing fatigue caused by repetitive impact. Soft, breathable nylex sock liner with a perforated forefoot, keeps feet cool and dry. Anti-microbial properties fight the growth of odor causing bacteria and fungus. All-purpose insoles good on all types of surfaces. Great for everyday living and for relief from foot, joint and back pain.