Returning Customers

Welcome Back! Please login using your email address and password.

New Customers

Create an account and enjoy a faster checkout, keep an address book, view and track your orders and more.

Sea to Summit
Sea to Summit
Basecamp Thermolite - BT 4

SKU #: pg63289


Be the first to review this product

Basecamp Thermolite - BT 4
  • Free Shipping Available to ship now
  • FREE Store Pick-Up At any of our Tucson locations
Product Information


The Basecamp offers a generously sized, contoured rectangular design to accommodate sleepers who like to stretch out full length or those who like to curl up into a ball. It’s also a fantastic solution for those who find a typical sleeping bag too confining or for the restless sleeper who can toss and turn a little more freely.


  • Uses Thermolite ® synthetic insulation
  • Spacious rectangular shape
  • Pillow attachment system under hood to hold Aeros pillow in place (not included)
  • Two position sleeping mat attachment system
  • Differential cut shell
  • Zip draft tube with anti-snag
  • Neck draft tube
  • Cushioned internal hood draw-cord
  • 2-way YKK #5 zip on each side of the bag
  • Includes lightweight Ultra-Sil® compression bag, combined storage cell / laundry bag


Bag WeightRegular: 80 oz / 2279 g
Large: 93 oz / 2639 g
Temp Rating5 F (EN Lower Limit) /-15 C (EN Lower Limit)
LengthRegular: 170-183 cm / 5'7"-6'
Large: 183-195 cm / 6'-6'5"
Chest GirthRegular: 194 cm / 77 in
Large: 208 cm / 82 in
Shoulder GirthRegular: 190 cm / 75 in
Large: 204 cm / 81 in
Foot GirthRegular: 142 cm / 56 in
Large: 172 cm / 68 in

Overall Rating

Write a Review

Write Your Own Review

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars

No reviews yet