Sea to Summit Ultra-Sil Compression Sack



Ultra light weight compression sack that lets you get the most possible into your pack.

  • Features

    When you need to compress your gear without adding weight Ultra-Sil® Compression Sacks are the perfect choice. The size range has been updated with two extra small sizes ideal for compressing and storing down jackets and other clothing.

    Compress contents down by as much as two thirds
    Water-resistant, bluesign® APPROVED Ultra-Sil 30D nylon fabric with a C0 non-PFC DWR finish
    Side-release buckle compression straps for fast and easy access
    Attached flip-top lid prevents straps tangling
    Bar tack reinforced stress points
    Pull handle on the bottom
    Slippery finish for easy packing

    Which size do I need?

    5 Litre: a layer, beanie, and gloves
    8 Litre: a puffy jacket & a compact sleeping bag
    13 Litre: Most three-season sleeping bags, including synthetics
    20 Litre: Most four-season sleeping bags (except synthetics)
    35 Litre: Sea to Summit sleeping bag and your extra layers, or a less-technical cold weather sleeping bag

  • Specifications

    Oval Base x Height
    Small/10L: ø18 x 40cm, Medium/14L: ø20 x 46cm, Large/20L: ø23 x 50cm
    Small/10L: 66g, Medium/14L: 78g, Large/20L: 94g