Fourth Element Men's Xerotherm TopWith flat seams and a long body to ensure that no separation between top and leggings develops, the top is the ideal next to skin layer under a drysuit. Thumb loops keep the sleeves in place whilst donning the drysuit and should be removed from the thumb and pushed back through the wrist seals prior to diving. Features: Outstanding thermal performance Lightweight Low bulk and buoyancy Extremely fast wicking Hardwearing Machine washable Performs when