1. Cebe Trilogy (Black/Green) helmet. Certification for skiing, climbing and mountain biking. Size 58-62 cm (L)
RRP £115, available for around £80, if you can find it. Has removable panels and peak for biking.
2. Julbo Freetourer (Black( helmet. Certification for skiing and climbing. Size 58-60 (L)
RRP £100, available for £70-90 on internet.
Both very light. Both BYIB. Never used - return foiled by regulations on mail order PPE (they didn't fit my peculiar-shaped head!)
Both + £6.70 for 1st class signed-for postage.