Upgrade your travel and backpacking sleep system with the Sea to Summit Coolmax Adaptor Traveller Liner with Insect Shield. Crafted from ultra-soft, stretchy Coolmax® polyester, this liner wicks moisture away from your skin, keeping you cool and dry even in hot, humid conditions. The integrated Insect Shield® treatment provides powerful, odorless protection against bed bugs, ticks, fleas, and mosquitoes-making it a must-have for hostels, albergues, or any buggy environment. The Traveller shape offers extra room and features a built-in pillow slip for added comfort. Lightweight (just 8.7 oz), compact (packs down to 6 x 4.5 inches), and easy to wash, this liner is perfect for keeping your sleeping bag clean or using as a standalone layer in warm climates. Comes with its own Ultra-Sil™ stuff sack for easy packing.