Who said wetsuit tops had to be plain? Not XCEL with this 2mm Men's AXIS Basic L/S Jacket. Made with 100% performance Eco Limestone Veoprene neoprene with 2mm of thickness in the body and upper sleeves and 1mm in the side panels and under arms, this cool top has all the flexibility and comfort you need. Flatlock seams are durable and comfortable and there's even an adjustable waist with a loop and elastic cord/cinch for that ideal fit!