Stohlquist Storm John 3MM Wetsuit The Stohlquist Storm John 3mm wetsuit provides excellent thermal protection, and features durable flat-lock seams throughout. Perfect for rental programs. Reinforced SupraTex knees and seat for added durability and abrasion resistance. Relief zippers feature elastic zipper locks and non-corrosive YKK zippers. Color-coded interiors make sizes easy to identify quickly in rental programs. Features: 3mm standard neoprene Color-coded interior panels for quick size identification Flat-lock seams for comfort and maximum durability Heavy-duty, non-corrosive #10 YKK entry zipper Relief zipper with elastic zipper lock on both men's & women's models U-shaped cuff openings for easier donning/doffing Extra wide arm holes for added mobility Integrated SupraTex knees and seat for added durability and abrasion resistance