Yes, the AirPods 2 are still worth buying, even though the AirPods 3 are pretty great - CNET
Catalyst - Waterproof Case for AirPods Pro (1st and 2nd Gen), Carabiner, Faster Wireless Charging, One-Piece Design, High Drop Protection, Scratch and Dust Resistant, Soft-Touch Stealth - Army Green : Amazon.co.uk: Electronics
Catalyst Waterproof Case for AirPods Pro - Black - Apple (UK)
AirPods Pro (2nd generation) - Technical Specifications - Apple Support
Are Apple AirPods Waterproof? Everything You Need to Know
Buy AirPods (2nd generation) - Apple (UK)
Apple AirPods Pro (2nd Generation) Review: A New Standard | WIRED