FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Sea to Summit Alpine ApII Sleeping Bag

Sea to Summit Alpine ApII Sleeping Bag, Regular, S2021
Sea to Summit Alpine ApII Sleeping Bag, Regular, S2021
1 of 1 images
Sea to Summit Alpine ApII Sleeping Bag, Regular, S2021

Tap Tap to Zoom

Questions & Answers

Product Discontinued by Manufacturer

Sea to Summit Alpine ApII Sleeping Bag has been discontinued by Sea to Summit and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Camping Gear, Sleeping Bags yourself to try and find the perfect replacement for you!

Product Info for Sea to Summit Alpine ApII Sleeping Bag

The Alpine™ down mummy sleeping bag is designed for the rarefied world of high-altitude and arctic conditions. It features cutting-edge materials, the highest quality Ultra-Dry down, and complex construction. Expedition mummy sizing allows you to wear extra clothing, and boot liners inside the bag. If you are going above or beyond, the Alpine is the bag you will want to take with youimage

Features of Sea to Summit Alpine ApII Sleeping Bag:

  • ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Goose Down certified Responsible Down Standard (RDS)
  • Free-flow zipper system: one full-length YKK® #5 main zip and a half-length zip on the opposite side for ventilation.
  • Expedition sizing gives you room to wear extra clothing inside the bag.
  • Anatomically-shaped, oversized foot box can accommodate boot liners.
  • Technical shaped hood with hidden drawcords for maximum insulation.
  • An oversized draft collar which fits snugly around your shoulders.
  • Internal pocket for phone / GPS / valuables.
  • Includes lightweight Ultra-Sil compression bag and storage cell.

Package Contents:

  • Sea to Summit Alpine ApII Sleeping Bag

Outdoor Essentials

1–60 / 60
Previous
Best Rated
Streamlight TLR-7 X USB Multi-Fuel, Low-Profile, Rail-Mounted Light w/Interchangeable Rear Paddle Switches, Black, 69455
Streamlight TLR-7 X USB Multi-Fuel, Low-Profile, Rail-Mounted Light w/Interchangeable Rear Paddle Switches, Black, 69455
(10)
List: $265.66 (Save 41%)
$156.49
Best Rated
Olight Odin Mini Rechargeable LED Flashlight
2 models
Olight Odin Mini Rechargeable LED Flashlight
(35)
List: $167.94 (Save 17%)
$139.95
See all 2 models
Free 2 Day Shipping
Yeti Hopper M20 Backpack
8 models
Yeti Hopper M20 Backpack
$325.00
See all 8 models
Free 2 Day Shipping
Petzl DUO S 1100 Lumens Headlamp, Lithium ION, 1100 Lumens, E80CHR
Petzl DUO S 1100 Lumens Headlamp, Lithium ION, 1100 Lumens, E80CHR
$349.95
Newly Added
Yeti Roadie 60 Hard Cooler
5 models
Yeti Roadie 60 Hard Cooler
List: $485.96 (Save Up to 10%)
$450.00
See all 5 models
Free 2 Day Shipping
Benchmade 748 Narrows Folding Knife, 3.43in, M390 58-61HRC, Plain Drop Point, Raw Titanium, 748
Benchmade 748 Narrows Folding Knife, 3.43in, M390 58-61HRC, Plain Drop Point, Raw Titanium, 748
$580.00
ReadyWise Package Of Long Term Emergency Food Supply
8 models
ReadyWise Package Of Long Term Emergency Food Supply
As Low As (Save Up to 14%)
$299.99
See all 8 models
Yeti Tundra 75 Cooler-White
Yeti Tundra 75 Cooler-White
List: $503.45 (Save 11%)
$450.00
Leatherman Wave Plus
2 models
Leatherman Wave Plus
(6)
List: $140.93 (Save Up to 17%)
$119.95
See all 2 models
Free 2 Day Shipping
Snow Peak Titanium Kanpai Bottle, 350 ml, TW-180
Snow Peak Titanium Kanpai Bottle, 350 ml, TW-180
$184.95
Free 2 Day Shipping
Snow Peak Round Titanium Flask, 150ml
4 models
Snow Peak Round Titanium Flask, 150ml
As Low As
$169.95
See all 4 models
Snow Peak Mini Flame Lantern, One Size, GL-140-US
Snow Peak Mini Flame Lantern, One Size, GL-140-US
$59.95
Snow Peak Hozuki Lantern
3 models
Snow Peak Hozuki Lantern
$107.95
See all 3 models
Blazin' Deal
SKEETER HAWK Fly Trap, Large, Black, SKE-TRP-0002
SKEETER HAWK Fly Trap, Large, Black, SKE-TRP-0002
(1)
List: $89.99 (Save 44%)
$50.44
Free 2 Day Shipping
Blue Force Gear Helium Whisper Micro Trauma Kit Pro Supplies
3 models
Blue Force Gear Helium Whisper Micro Trauma Kit Pro Supplies
(1)
List: $203.99 (Save Up to 10%)
$183.95
See all 3 models
Browning Range Tool, Silver, 3220479
Browning Range Tool, Silver, 3220479
List: $35.49 (Save 10%)
$31.99
Petzl Actik Core 600 Lumen Rechargeable Headlamp
4 models
Petzl Actik Core 600 Lumen Rechargeable Headlamp
(1)
$84.95
See all 4 models
On Sale
REDARC 180W Monocrystalline Solar Panel, Fixed, SMSP1180
REDARC 180W Monocrystalline Solar Panel, Fixed, SMSP1180
List: $552.20 (Save 22%)
$429.99
Victorinox Rescue Tool Multi-Tool
Victorinox Rescue Tool Multi-Tool
List: $121.49 (Save $6.49)
$115.00
See all 1 models
EGO Kryptek TPU Tactical 30L Cooler w/ Telescoping Handle and Wheels, Typhon, 75050
EGO Kryptek TPU Tactical 30L Cooler w/ Telescoping Handle and Wheels, Typhon, 75050
List: $339.99 (Save $10.00)
$329.99
Honey Stinger Vanilla Waffle
3 models
Honey Stinger Vanilla Waffle
As Low As
$1.79
See all 3 models
VISM Vertical Grip w/Strobe Flashlight & Red Laser - Gen2, 200 Lumens VAQVGFLRV2
VISM Vertical Grip w/Strobe Flashlight & Red Laser - Gen2, 200 Lumens VAQVGFLRV2
(5)
List: $133.99 (Save 19%)
$108.99
Blazin' Deal
MTN OPS Hot Ignite Supercharged Energy Drink, 20 Trail Packs
2 models
MTN OPS Hot Ignite Supercharged Energy Drink, 20 Trail Packs
List: $44.95 (Save 45%)
$24.50
See all 2 models
Free 2 Day Shipping
Blue Force Gear Trauma Kit NOW MOLLE Mounted Helium Whisper, Pro Supplies, OD Green, HW-TKN-MED-PRO-RG
Blue Force Gear Trauma Kit NOW MOLLE Mounted Helium Whisper, Pro Supplies, OD Green, HW-TKN-MED-PRO-RG
$240.95
Ben's 100 Spray Carded
3 models
Ben's 100 Spray Carded
As Low As
$5.79
See all 3 models
Blazin' Deal
MTN OPS Yeti Monster Pre-workout Powder Energy Drink, 30 Serving Tub
MTN OPS Yeti Monster Pre-workout Powder Energy Drink, 30 Serving Tub
List: $44.95 (Save 45%)
$24.50
See all 1 models
Hawk Gazer FLG-9T LED Flashlight/Green Laser Combo, Black, Low Profile, LG-HG-FLG-9T
Hawk Gazer FLG-9T LED Flashlight/Green Laser Combo, Black, Low Profile, LG-HG-FLG-9T
(19)
List: $99.99 (Save 13%)
$86.99
15% Bonus Bucks
Mountain House Beef Stroganoff ProPak, 50152
Mountain House Beef Stroganoff ProPak, 50152
List: $11.99
$11.95
Blazin' Deal
MTN OPS Ignite Trail Pack - 1, Pink Lemonade, 1104400301
MTN OPS Ignite Trail Pack - 1, Pink Lemonade, 1104400301
List: $1.99 (Save 39%)
$1.22
Carson PO-55 MiniBrite 5x Power Slide-Out Pocket Magnifier Loupe,Grey PO-55
Carson PO-55 MiniBrite 5x Power Slide-Out Pocket Magnifier Loupe,Grey PO-55
(1)
List: $15.00
$14.99
Final Sale
CamelBak 21 oz Podium Chill Bottle
6 models
CamelBak 21 oz Podium Chill Bottle
As Low As (Save Up to 36%)
$10.28
See all 6 models
MTN OPS Hydrate Strawberry Coconut Drink Mix, 1.000MG, 1134540320
MTN OPS Hydrate Strawberry Coconut Drink Mix, 1.000MG, 1134540320
List: $35.99 (Save 17%)
$29.95
Skratch Labs Hydration Sports Drink Mix, Raspberry Limeade with Caffeine, 440g, 20 Serving Bag, SDM-RL-440g
Skratch Labs Hydration Sports Drink Mix, Raspberry Limeade with Caffeine, 440g, 20 Serving Bag, SDM-RL-440g
$23.99
CamelBak Podium Dirt Series Chill Bottle, 21oz, White, 1901101062
CamelBak Podium Dirt Series Chill Bottle, 21oz, White, 1901101062
List: $19.00
$18.89
UST Spork Stainless Steel Multi-Tool
2 models
UST Spork Stainless Steel Multi-Tool
List: $8.79 (Save 43%)
$4.99
See all 2 models
Best Rated
SureFire TURBO Series 18650/123 Everyday Carry Dual-Output LED Flashlight
3 models
SureFire TURBO Series 18650/123 Everyday Carry Dual-Output LED Flashlight
(6)
List: $309.00
Add to Cart for Your
Special Price
See all 3 models
Newly Added
Yeti Hopper Flip 18 Soft Cooler
5 models
Yeti Hopper Flip 18 Soft Cooler
As Low As (Save Up to 11%)
$265.99
See all 5 models
Yeti Tundra 45 Hard Cooler
9 models
Yeti Tundra 45 Hard Cooler
List: $325.00 (Save Up to 17%)
$300.00
See all 9 models
15% Bonus Bucks
Mountain House Breakfast Skillet, Can
2 models
Mountain House Breakfast Skillet, Can
As Low As (Save Up to 23%)
$14.99
See all 2 models
20% Coupon
Spyderco Para Military 2 Folding Knife
9 models
Spyderco Para Military 2 Folding Knife
(49)
As Low As (Save 25%)
$198.75
See all 9 models
Real Avid Edge Gun Tool AR-15, AVGTE-AR
Real Avid Edge Gun Tool AR-15, AVGTE-AR
List: $62.99 (Save $4.50)
$58.49
Free 2 Day Shipping
Snow Peak Titanium Aurora 800ml Bottle
5 models
Snow Peak Titanium Aurora 800ml Bottle
As Low As
$149.95
See all 5 models
Snow Peak Home/Camp Lantern
3 models
Snow Peak Home/Camp Lantern
$169.95
See all 3 models
20% Coupon
Blue Force Gear Helium Whisper Micro Trauma Kit Essentials Supplies
4 models
Blue Force Gear Helium Whisper Micro Trauma Kit Essentials Supplies
List: $161.99 (Save Up to 10%)
$145.95
See all 4 models
Black Diamond Storm 450 Headlamp
4 models
Black Diamond Storm 450 Headlamp
$59.95
See all 4 models
Peak Refuel Base Camp Bucket 3.0, 59416
Peak Refuel Base Camp Bucket 3.0, 59416
(4)
List: $164.99
$164.49
Pulsar Battery Pack APS 2, Black, PL79162
Pulsar Battery Pack APS 2, Black, PL79162
(1)
List: $95.99 (Save 17%)
$79.99
Streamlight Dualie 3AA Atex Rated Flashlight w/ Laser
2 models
Streamlight Dualie 3AA Atex Rated Flashlight w/ Laser
As Low As (Save Up to 36%)
$57.99
See all 2 models
Peak Refuel Fresh Melon Re-Energizing Drink Stick Pack
3 models
Peak Refuel Fresh Melon Re-Energizing Drink Stick Pack
As Low As
$9.99
See all 3 models
Pale Blue Earth Approach Solar Charger
2 models
Pale Blue Earth Approach Solar Charger
As Low As (Save $1.00)
$78.99
See all 2 models
FoxFury Breakthrough BTS Right Angle LED Light
2 models
FoxFury Breakthrough BTS Right Angle LED Light
List: $156.00 (Save Up to 29%)
$111.99
See all 2 models
B&W International 1000 Watt Mil1500 Energy.Case
3 models
B&W International 1000 Watt Mil1500 Energy.Case
$3,408.90
See all 3 models
Honey Stinger Hydration Pouch, Black Cherry, 5.55 oz, 11013
Honey Stinger Hydration Pouch, Black Cherry, 5.55 oz, 11013
$9.99
Best Rated
Streamlight TLR-2G LED Rail-Mounted Tactical Light, CR123A, Green/White, 300 Lumens, Black, 69250
Streamlight TLR-2G LED Rail-Mounted Tactical Light, CR123A, Green/White, 300 Lumens, Black, 69250
(45)
List: $688.59 (Save 43%)
$389.99
Honey Stinger Oat + Honey Bar, Original, 1.48 oz, 73712
Honey Stinger Oat + Honey Bar, Original, 1.48 oz, 73712
$2.79
Sea to Summit Ultra-Fine Mesh Headnet, Black, 142
Sea to Summit Ultra-Fine Mesh Headnet, Black, 142
$15.95
Trophy Treestands Outfitter Saw, Black, TA940
Trophy Treestands Outfitter Saw, Black, TA940
List: $20.99 (Save 48%)
$10.99
Carson Adventure Pak Binoculars, 5x30mm, Roof Prism, Matte Green, HU-401
Carson Adventure Pak Binoculars, 5x30mm, Roof Prism, Matte Green, HU-401
(2)
List: $40.00 (Save 15%)
$33.99
Rothco Tactical Pen and Flashlight, 5423
Rothco Tactical Pen and Flashlight, 5423
List: $31.99 (Save 19%)
$25.99
Maglite 2 Cell Aa Mini Magliteled W/ho 459-SP2209H, Unit EA
Maglite 2 Cell Aa Mini Magliteled W/ho 459-SP2209H, Unit EA
$149.99
Next

Related Products to Sea to Summit Alpine ApII Sleeping Bag

Image of Sea to Summit UltraLight Insulated Mat 4 models Sea to Summit UltraLight Insulated Mat As Low As $159.00 Free 2 Day Shipping
Image of Sea to Summit Comfort Light Insulated Sleeping Mat - Women's 2 models Sea to Summit Comfort Light Insulated Sleeping Mat - Women's As Low As $199.00 Free 2 Day Shipping
Image of Sea to Summit Trailhead 20F Sleeping Bag 2 models Sea to Summit Trailhead 20F Sleeping Bag As Low As $189.00
Image of Sea to Summit Traverse 15F Sleeping Bag 2 models Sea to Summit Traverse 15F Sleeping Bag As Low As $249.00
Image of Sea to Summit Comfort Light SI Mat 3 models Sea to Summit Comfort Light SI Mat As Low As $139.00 Free 2 Day Shipping
Image of Sea to Summit UltraLight Mat 3 models Sea to Summit UltraLight Mat As Low As $139.00 Free 2 Day Shipping
Image of Sea to Summit Escapist Inner Bug Tent 1 - 1 Person, 1 Season Sea to Summit Escapist Inner Bug Tent 1 - 1 Person, 1 Season $239.00
Image of Sea to Summit Camp SI Mat 4 models Sea to Summit Camp SI Mat As Low As $89.00
Image of Sea to Summit Frontier UL Collapsible Dinnerware Multi Set Sea to Summit Frontier UL Collapsible Dinnerware Multi Set $59.95
Image of Sea to Summit Nylon Tarp-Poncho 2 models Sea to Summit Nylon Tarp-Poncho $69.95
Image of Sea to Summit Air Chair Sea to Summit Air Chair $69.95
Image of Sea to Summit Watercell X 4 models Sea to Summit Watercell X As Low As $49.95
Image of Sea to Summit Aeros Premium Pillow 8 models Sea to Summit Aeros Premium Pillow As Low As $54.95
Image of Sea to Summit Detour Stainless Steel Collapsible Pot 2 models Sea to Summit Detour Stainless Steel Collapsible Pot As Low As $99.95
Image of Sea to Summit Venture 23F Sleeping Bag - Women's 2 models Sea to Summit Venture 23F Sleeping Bag - Women's As Low As $249.00
Image of Sea to Summit Frontier UL Pot 3 models Sea to Summit Frontier UL Pot As Low As $64.95
Image of Sea to Summit Ultralight SI Mat 4 models Sea to Summit Ultralight SI Mat As Low As $109.00 Free 2 Day Shipping
Image of Sea to Summit Detour Stainless Steel Collapsible Pouring Pot Sea to Summit Detour Stainless Steel Collapsible Pouring Pot $89.95
Image of Sea to Summit Detour Stainless Steel One Pot Cook Set Multi, 2P, 5 Piece Sea to Summit Detour Stainless Steel One Pot Cook Set Multi, 2P, 5 Piece $199.95
Image of Sea to Summit Watercell ST 3 models Sea to Summit Watercell ST As Low As $39.95
Image of Sea to Summit Trek & Travel Pocket Body Wash Sea to Summit Trek & Travel Pocket Body Wash $5.95
Image of Sea to Summit Aeros Ultra Light Pillow 6 models Sea to Summit Aeros Ultra Light Pillow As Low As $49.95
Image of Sea to Summit Trek & Travel Pocket Conditioning Shampoo Sea to Summit Trek & Travel Pocket Conditioning Shampoo $5.95
Image of Sea to Summit Carabiners Sea to Summit Carabiners (1) $9.95

Sea to Summit Alpine ApII Sleeping Bag Unavailable & Discontinued Models

List of Unorderable Models

Sea to Summit Alpine ApII Sleeping Bag, Regular, S2021 , MPN: S2021 , UPC: 9327868094905 , Code: Z02-SI-STS00001-S2021
Sea to Summit Alpine ApII Sleeping Bag, Long, S2022 , MPN: S2022 , UPC: 9327868094912 , Code: Z02-SI-STS00001-S2022
Compare (0)
1 item has been added
Add at least two items to compare