Technical Features: 60% X-flex / 40% Dura-flex for maximum stretch and durability. X-flex arm and side panels crucial for freedom of movement when paddling. Blindstitch seam construction. Critical Liquid seaming for the ultimate waterproof seal. Pro neck - adjustable, single layer, seam free neck seal. Smooth-Skin - minimising wind chill. Titanium 2 reflects body heat back in. Dura-skin - highly durable chest print. DKS - durable knee print. Dura-tex for increased durability in wear areas.