O'Neill Psycho DL 6/5/4mm Wetsuit Gloves If you want to get in the water in the cold winter months and enjoy your water sport then a great pair of wetsuit gloves are essential. The O'neill Psycho 6/5/4mm Double Lined gloves are for those that want the maximum in warmth and 6mm of neoprene gives you exactly that. You do lose some flexibility as you would expect by you really benefit from the added warmth. O’Neill Psycho DL Glove 6/5/4mm features: Tacky Grip 100% TechnoButter Firewall 100% Sealed O'Neill Psycho DL 6/5/4mm Surfing Gloves 2018