A reliable headlamp is one of those pieces of kit you don't think about until you need it, and the Cosmo 350 is the kind of light that won't let you down when that moment comes.

Black Diamond packed 350 lumens into one of their most compact headlamp bodies, with a lower profile design that sits closer to your head for better balance during active use. The updated dual-button interface makes lens selection intuitive even with cold hands or gloves, which matters on early morning portages or late-night camp chores in the Canadian shoulder seasons.

The Dual-Fuel compatibility is a genuinely useful feature for backcountry paddlers and campers. Run it on the rechargeable BD 1500 lithium-ion battery when you have access to power before a trip, or swap in three standard AAA batteries when you're deep in a remote route and need a reliable backup option. The integrated battery meter takes the guesswork out of knowing how much power you have left. Red night-vision mode with dimming and strobe keeps your eyes adjusted to the dark without disturbing paddling partners, and the IPX8 waterproof rating means it keeps working even if it takes an unexpected dunk.

• Max output: 350 lumens
• Dual-Fuel: Compatible with BD 1500 Li-ion battery or 3 AAA batteries
• Waterproof rating: IPX8, tested to 1.1 metres underwater for 30 minutes
• Modes: Dimming, strobe, red night-vision, lock mode
• Interface: Dual-button with lens selection
• Integrated battery metre display
• BD 1500 rechargeable battery sold separately