Sea to Summit Trek TK I


spring 2011 regular long
Weight 1 lb 13 oz / 830 g 2 lb 2 oz / 970 g
Fill weight 12 oz / 350 g 14 oz / 400 g
EN comfort 41 F / 5 C
EN lower limit 32 F / 0 C
EN extreme 5 F / -15 C
Fill 650-fill duck down
Shape Semi-rectangular
Max user height 6 ft 0 in / 180 cm 6 ft 8 in / 200 cm
Shoulder girth 60 in / 152 cm 61 in / 156 cm
Hip girth 59 in / 150 cm 60 in / 152 cm
Foot girth 40 in / 101 cm 40 in / 102 cm

Where to Buy

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Manufacturer's Description

Visit Sea to Summit's Trek TK I page.

Retailers' Descriptions

Here's what other sites are saying:

Insulated with water-resistant down for warmth and compressibility, the lightweight Sea to Summit Trek Tk I sleeping bag has a semirectangular shape for a little extra room to move while you snooze.


The Sea to Summit Trek TKI Sleeping Bag is a summer sleeping bag for camping, hiking, and sleeping in the fort you made with your kids. The 2D PermaShell Features a durable water repellent treatment for water resistance, and is durable for all the summer time sleeping activities. The bag weighs in at only 1 pound, 13 ounces (regular length), making it easy to pack into your backpack with the included lightweight Ultra-Sil compression sack. The 650+ ULTRA-DRY down is treated for water resistance as well, take that summer rains! The tapered rectangular shape allows for plenty of space and comfort, so roll around and get some shut eye. Features of the Sea to Summit Trek TKI Sleeping Bag ULTRA-DRYDown 650+ Loft 85Adeg Down Cluster Premium Duck Down Length / zip options: Regular - left or right zip Long - left zip Season ratings: Indoor/Summer

- Moosejaw

Your trekking buddy's balloon-like synthetic sleeping bag fills his whole backpack; your Sea To Summit Trek TkI 32 Degree Down Sleeping Bag compresses down to the size of three water bottles, so you have room for the essentials plus a few souvenirs. It's stuffed with lofty, moisture-resistant Ultra-Dry Down 650+ and sheltered with breathable, weather-repelling 2D Perma Shell, so when the going gets cold or damp your bag won't wilt or freeze. And a cushioned hood, draft tube, and tapered rectangular shape will keep you so cozy you'll sleep like a baby. Now only if your partner would stop whimpering.


Since its the lightest sleeping bag Sea To Summit makes, the Trek TK I 32 Sleeping Bag is absolutely perfect for warm-weather camping. Ultra-DryDown 650-fill-power premium duck-down insulation delivers a superior warmth-to-weight ratio. Bag compresses down to 5.1-liters for compact storage. Shell is made of 33-denier nylon with a durable water-repellent finish. Stuff sack included. Imported. Available: Regular Wide Left-Hand Zipper Fits users from 57 to 6 tall. Regular Left-Hand Zipper Fits users from 57 to 6 tall. Long Left-Hand Zipper Fits users from 6 to 66 tall. Gender: Unisex. Type: Mummy Sleeping Bags.

- Cabela's