Xcel Size Chart The Axis X2 features Xcel's premium, watertight X2 front entry system with additional seam and material innovations for very good warmth, stretch, and performance. The front and back torso is lined with fast drying, lightweight, and naturally hydrophobic Quick Dry Lining, and the glued & blindstitched seams are sealed with inner Thermo Dry seam tape to keep even more water out. The outer sleeves also feature S-Seal technology, a durable, flexible outer composite for an even better seal. The Axis is also a 100% UltraStretch neoprene suit. Features: - X2 front entry system - Crossover neck entry - Quick dry lining - Ultrastretch neoprene - Thermo Dry seam tape - S-Seal durable, flexible outer seam composite - Glued and blindstitched seams - Duraflex knee panels - 3/2mm neoprene