Y&Y Belay Glasses V1.2 (Noble Sapphire)

 Y&Y belay glasses can help belayers to belay their partners without raising heads, in order to relax muscles at neck area. With Y&Y, you will always hold your sight to your partner, which provide more concentration and better security. You have three reasons to choose our products:1. The best price-performance ratio. 2.Clear Image and double visions: Belayer can keep an eye on both climber and environment nearby to prevent accident. 3. Perfect compatibility: Eyeglasses users and sunglasses users can use Y&Y too.