The Sea To Summit brand was born out of the passion & enthusiasm of its founders with their experience, dedication & attention to detail evident in everything they produce. These sleeping bag liners will answer the demands of travellers & outdoor enthusiasts alike, with a range of luxurious silk & premium cotton liners plus the addition of both coolmax & thermolite versions providing greater sleeping comfort in environmental extremes. On your next adventurous trip improve your nights' sleep & preserve the life of your sleeping bag with one of these compact, invaluable liners.