【 IMPECCABLE PROTECTION 】 Provides full thumb coverage to absorb repeated catching impacts, helping to minimize injuries during intense practices or competitive games. 【 REDUCE PAIN & NUMBNESS 】 Effectively absorbs shock to ease pain and numbness from high-velocity pitches and frequent glove use, ensuring better comfort and control behind the plate. 【 PREMIUM SILICONE 】 Made from high-quality silicone for superior durability, flexibility, and comfort, delivering dependable protection without compromising your grip or performance. 【 BASEBALL & SOFTBALL COMPATIBLE 】 Designed for both baseball and softball catchers, offering reliable thumb support and impact resistance to help players stay focused and confident. 【 2 SIZES AVAILABLE 】 Comes in two sizes for a personalized fit, making it a great choice for men, women, and kids who need extra thumb protection while playing at any level. 【 SIZE SELECTION GUIDE 】 Large is ideal for adult men with hand length over 6.8 inches. Medium is ideal for women and teens with hand length under 6.8 inches. (Hand length is measured from tip of middle finger to the first wrist crease). This silicone thumb guard is designed be worn by baseball and softball catchers inside of the glove to protect the thumb and palm from repeated impact.