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The Alder Impact fin socks are made from 3mm thick soft double-lined neoprene with glued and blindstitched seams and a grippy hard-wearing outsole.
Designed to be worn under your fins or boots for comfort and warmth.
SIZE GUIDE
| Size | UK Foot Size |
| S | 6 - 7 |
| M | 7 - 8 |
| L | 8 - 9 |
| XL | 9 - 10 |
| XXL | 11 - 12 |
