The Bottleneck wrist seal is the generic design found on most drysuits. There are two different latex thickness options, and a variety of options for mounting and wrist sizing - see link to sizing chart above. Sold as a pair (two).
Latex Thickness Options:
Standard (GD): 0.7mm to 1.0mm
HeavyDuty / Thick (HD): 1.0mm to 1.3mm
There are two different styles of “bottleneck” shaped wrist seals: Bottleneck and Long Bottleneck. This is the generic design found on most drysuits. There are two different latex thickness options and a variety of options for mounting and wrist sizing.