With an extra-long elastic strap for compatibility with any helmet

making it very stable and durable

the middle layer is made of a waterproof TPU lining

rubber seals

Easy to assemble: The bag is securely attached to the seat post with Velcro straps

ROCKBROS Winter Balaclava Multifunktion Sturmhaube Winddicht Atmungsaktiv Fahrrad Laufradsatz With an extra-long elastic strapROCKBROS Winter Balaclava Multifunction Balaclava Windproof Breathable A men's windproof balaclava made of nylon and Lycra, with a fleece lining for extra warmth. It protects your head and face in cold weather and is ideal for outdoor sports such as cycling, skiing, and motorcycling. Its stretchy design is breathable and compatible with goggles for comfort and stability. Main features Windproof and warm This men's balaclava made of nylon and Lycra