LONG JOHN:- 5 mm neoprene.- Longer velcro closure on the shoulder, to enter the suit easily and not rubbing.- Seams protected with RF-06 (avoids snagging and wear).- Large size RF-06 reinforcement, the most resistant to rubbing in any terrain, and mouldable in water.On knees and hip pad.- Preformed ankles to facilitate the entry of the foot. Compare prices from: Seland in Men's Clothing