Finisterre Firecrest Zip-Up Vest Size:L California Twin Pin is a

California Twin Pin is a natural extension of the wildly popular California Twin

featuring lightweight

plus a zippered coin pocket

You can also pair them with any type of swim fin in cool to frigid water to get a snug fin fit and warmer toes

Finisterre Firecrest Zip-Up Vest Size:L California Twin Pin is aFinisterre's most lightweight insulation and a versatile, everyday layering essential. Named after the UK's lightest bird, the Finisterre Firecrest Zip Up Vest is ideal for active on the go adventures. Layering easily over a t shirt or jumper, or under a waterproof shell, it's incredibly versatile and packs down easily into your bag. At the ready when the sun dips or the wind picks up, for warmth without restriction.