The Alps UltraSeal Ring Liner features an integrated band available at three different heights, users will enjoy an airtight seal upon socket entry. Combined with OptiSil, it provides exceptional comfort and optimized suspension for maximum convenience in daily use. Additionally, the UltraSeal offers a dual suspension system that seamlessly harnesses the advantages of both locking suspension and Seal-In technology, delivering unmatched functionality.

Feature and Benefits

• Single-sealing band ensures a secure hold – available at three different heights.
• OptiSil offers a thin, lightweight, smooth inner surface with 1/5 the friction of regular silicone.
• Premium knitted fabric covering limits excessive stretch and pistoning.
• 3mm Uniform Thickness