Sea to Summit Ultra-Sil Compression Sack RapTx4 A replacable hypalon strap secures

A replacable hypalon strap secures the bottom of your gaiters down around your shoe

resulting in a yarn capable of self-heating

Available in 4 practical sizes - as with all Exped drybags in an individual colour per size

The multi-functional Echo Ubertube wicks away perspiration in summer heat and provides just enough warmth during cold-weather

Sea to Summit Ultra-Sil Compression Sack RapTx4 A replacable hypalon strap securesSpace saving, ultra lightweight gear storage for organised packing. When you need to compress volume without significantly adding weight, the Ultra Sil Compression Sack is an excellent solution. Made from a water resistant, bluesign approved Ultra Sil 30D nylon fabric with Non PFC DWR this compression sack is far tougher than its weight would suggest. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items