The NSI Crotch Rocket Outfitting Foam fits high between the inner thighs for optimum support! 1 3/4" thick tapered mini cell foam block attaches to the front area of the boat seat. Fits high between the inner thighs, in the crotch area, locking the pelvis in a forward tilt. This keeps the lumbar area of the lower back strong and in a neutral position.
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