Bucas Buzz-Off Zebra Fly Sheet with High Neck (81) NIB This fly sheet also reflects sunlight and offers protection against 80% of ultraviolet rays to keep your horse’s coat healthy. The 1,000 denier lightweight polyester mesh is durable, soft and highly breathable—ideal for hot climates. Neck darts offer a great fit at the shoulders. Neck is integrated (non-removable). Key features: Magnetic lock with padded T-lock closure. Detachable belly band. Full tail flap to protect tail hair. Elastic leg straps.