Tuck yourself in for warm winter nights in the backcountry with up to 40% off a wide range of snug winter sleeping bags this Black Friday. Although this year's Black Friday doesn't officially get started until November 29, plenty of retailers are getting in on the action early with mega sales on all their best gear. Outdoor specialists Sea to Summit are no different, offering big reductions on a wide range of backcountry gear.

Amongst the deals, you can find 40% off Sea to Summit's cozy backcountry sleeping bags. Ranging in insulation, these bags cover all seasons. The Traverse Synthetic Sleeping Bag, for example, can withstand temperatures down to 15 F / -9.

4 C, keeping you snug on chilly winter camps. At the other end of the spectrum, the far lighter Quest Synthetic Sleeping Bag is better suited to warmer climates, providing a much-needed layer of insulation for breezy summer camps in the backcountry. Both bags are 40% off.

That means the while the . All Sea to Summit Sleeping Bags come in both Long and Regular sizes and can be simply rolled up for quick and easy travel. With Black Friday right around the corner, big savings are coming thick and fast on a wide range of outdoor kit.

Look here for on tents, sleeping bags and more. After more epic deals? , or look below for the best savings on some of our favorite sleeping bags from a wide range of retailers..