Summit Series AMK Superlight Sleep System
Summit Series AMK Superlight Sleep System
Summit Series AMK Superlight Sleep System
Summit Series AMK Superlight Sleep System
Summit Series AMK Superlight Sleep System
Summit Series AMK Superlight Sleep System
Summit Series AMK Superlight Sleep System
Summit Series AMK Superlight Sleep System

Summit Series AMK Superlight Sleep System

$79.99 $249.59
Size
Size Guide
✕

Men's Size Guide

Jackets & Tops

Chest Hips Sleeve Length
S 36-38 in 35-37 in 33.5 in
M 39-41 in 38-40 in 34.0 in
L 42-44 in 41-43 in 34.8 in
XL 45-48 in 44-46 in 35.5 in
2XL 49-52 in 47-49 in 36.3 in
3XL 53-56 in 50-52 in 37.0 in
2X 50-52 in 50.5-52.5 in 35-36 in
3X 54-56 in 54.5-56.5 in 35.75-36.75 in
4X 58-60 in 58.5-60.5 in 36.25-37.25 in
5X 62-64 in 62.5-64.5 in 36.75-37.75 in

Short-Sleeved Shirts

Chest Hips
S 36-38 in 35-37 in
M 39-41 in 38-40 in
L 42-44 in 41-43 in
XL 45-48 in 44-46 in
2XL 49-52 in 47-49 in
3XL 53-56 in 50-52 in

Pants

Waist Hip Inseam (Short) Inseam (Reg.) Inseam (Long)
30 (S) 29-30 in 35-36 in 29.5 in 31.5 in 33 in
32 (M) 31-32 in 37-38 in 30.0 in 32 in 34 in
34 (M) 33-34 in 39-40 in 30.0 in 32 in 34 in
36 (L) 35-36 in 37-38 in 30.0 in 32 in 34 in
38 (L) 37-38 in 43-44 in 30.5 in 32.5 in 34.5 in
40 (XL) 39-40 in 44-45 in 30.5 in 32.5 in 34.5 in
42 (XL) 41-42 in 46-47 in 30.5 in 32.5 in 34.5 in
44 (2XL) 43-44 in 50.5-52-5 in 30 in 32 in 34 in
2X 46-48 in 50.5-52-5 in 30 in 32 in 34 in
3X 50-52 in 54.5-56.5 in 30 in 32 in 34 in
4X 54-56 in 58.5-60.5 in 30 in 32 in 34 in
5X 58-60 in 62.5-64.5 in 30 in 32 in 34 in

Shorts

Waist Hips
30 (S)
 29-30 in 35-36 in
32 (M)
 31-32 in 37-38 in
34 (M)
 33-34 in 39-40 in
36 (L)
 35-36 in 37-38 in
38 (L)
 37-38 in 43-44 in
40 (XL)
 39-40 in 44-45 in
42 (XL)
 41-42 in 46-47 in
44 (2XL)
 43-44 in 47-48 in

Unisex Jackets & Tops

Chest Hips Arm Length
S
 36-38 in 35-37 in 33.5 in
M
 39-41 in 38-40 in 34.0 in
L
 42-44 in 41-43 in 34.8 in
XL
 45-48 in 44-46 in 35.5 in
2XL
 49-52 in 47-49 in 36.3 in
3XL
 53-56 in 50-52 in 37.0 in

Unisex Short-Sleeved Shirts

Chest Hips
S
 36-38 in 35-37 in
M
 39-41 in 38-40 in
L
 42-44 in 41-43 in
XL
 45-48 in 44-46 in
2XL
 49-52 in 47-49 in
3XL
 53-56 in 50-52 in

Shoes

US UK EU CM
7 6 39 25
7.5 6.5 40 25.5
8 7 40.5 26
8.5 7.5 41 26.5
9 8 42 27
9.5 8.5 42.5 27.5
10 9 43 28
10.5 9.5 44 28.5
11 10 44.5 29
11.5 10.5 45 29.5
12 11 45.5 30
12.5 11.5 46 30.5
13 12 47 31
13.5 12.5 47.5 31.5
14 13 48 32
14.5 13.5 49 32.5

Gloves

Circumference Length
S 7-7.5 in 6.5-7 in
M 8-8.5 in 7.8-8 in
L 9-9.5 in 8.5-9 in
XL 9.5+ in 9+ in

Hats

Head Circumference
ONE SIZE 21-23.5 in
S/M 21-22.5 in
L/XL 22.5-23.5 in

Women's Size Guide

Jackets & Tops

Chest Waist Hips Arm Length
XS 31-32 in 24-25 in 33-35 in 31.5 in
S 33-35 in 26-28 in 36-37 in 32 in
M 36-38 in 29-31 in 38-40 in 32.5 in
L 39-41 in 32-34 in 41-43 in 33.3 in
XL 42-44 in 35-38 in 44-47 in 34.0 in
2XL 45-48 in 39-42 in 48-51 in 34.8 in
1X 43-45 in 36-38 in 46-48 in 31.5 in
2X 47-49 in 40-42 in 50-52 in 32.25 in
3X 51-53 in 44-46 in 54-56 in 33 in

Short-Sleeved Shirts

Chest Waist Hips
XS 31-32 in 24-25 in 33-35 in
S 33-35 in 26-28 in 36-37 in
M 36-38 in 29-31 in 38-40 in
L 39-41 in 32-34 in 41-43 in
XL 42-44 in 35-38 in 44-47 in
2XL 45-48 in 39-42 in 48-51 in
1X 43-45 in 36-38 in 46-48 in
2X 47-49 in 40-42 in 50-52 in
3X 51-53 in 44-46 in 54-56 in

Pants

Waist Hips Inseam (Short) Inseam (Reg.) Inseam (Long)
XS (0) 25-26 in 34-35 in 28.5 in 30.5 in 32.5 in
XS (2) 26-27 in 26-28 in 35-36 in 30.5 in 32.5 in
S (4) 27-28 in 36-37 in 29.0 in 31.0 in 33.0 in
S (6) 28-29 in 37-38 in 29.0 in 31.0 in 33.0 in
M (8) 29-30 in 38-39 in 29.0 in 31.0 in 33.0 in
M (10) 30-31 in 39-40 in 29.0 in 31.0 in 33.0 in
L (12) 31-33 in 36-38 in 29.0 in 31.0 in 33.0 in
L (14) 33-35 in 42-44 in 29.5 in 31.5 in 33.5 in
XL (16) 35-37 in 44-46 in 29.5 in 31.5 in 33.5 in
XL (18) 37-39 in 46-48 in 29.5 in 31.5 in 33.5 in
1X (14) 36-37 in 46-47 in 28 in 30 in 32 in
1X (16) 37-38 in 47-48 in 28 in 30 in 32 in
2X (18) 40-41 in 50-51 in 28 in 30 in 32 in
2X (20) 41-42 in 51-52 in 28 in 30 in 32 in
3X (22) 44-45 in 54-55 in 28 in 30 in 32 in
3X (24) 45-46 in 55-56 in 28 in 30 in 32 in

Shorts

Waist Hips
XS (0) 25-26 in 34-35 in
XS (2) 26-27 in 26-28 in
S (4) 27-28 in 36-37 in
S (6) 28-29 in 37-38 in
M (8) 29-30 in 38-39 in
M (10) 30-31 in 39-40 in
L (12) 31-33 in 36-38 in
L (14) 33-35 in 42-44 in
XL (16) 35-37 in 44-46 in
XL (18) 37-39 in 46-48 in
1X (14) 36-37 in 46-47 in
1X (16) 37-38 in 47-48 in
2X (18) 40-41 in 50-51 in
2X (20) 41-42 in 51-52 in
3X (22) 44-45 in 54-55 in
3X (24) 45-46 in 55-56 in

Dresses

Chest Waist Hips
XS 31-32 in 24-25 in 33-35 in
S 33-35 in 26-28 in 36-37 in
M 36-38 in 29-31 in 38-40 in
L 39-41 in 32-34 in 41-43 in
XL 42-44 in 35-38 in 44-47 in
2XL 45-48 in 39-42 in 48-51 in
1X 43-45 in 36-38 in 46-48 in
2X 47-49 in 40-42 in 50-52 in
3X 51-53 in 44-46 in 54-56 in

Unisex Jackets & Tops

Chest Hips Arm Length
S
 36-38 in 35-37 in 33.5 in
M
 39-41 in 38-40 in 34.0 in
L
 42-44 in 41-43 in 34.8 in
XL
 45-48 in 44-46 in 35.5 in
2XL
 49-52 in 47-49 in 36.3 in
3XL
 53-56 in 50-52 in 37.0 in

Unisex Short-Sleeved Shirts

Chest Hips
S
 36-38 in 35-37 in
M
 39-41 in 38-40 in
L
 42-44 in 41-43 in
XL
 45-48 in 44-46 in
2XL
 49-52 in 47-49 in
3XL
 53-56 in 50-52 in

Bras

30 32 34 36 38 40 42
A XS XS S M L XL XXL
B XS XS S M L XL XXL
C XS XS S M L XL XXL
D S M L XL XL XXL

Shoes

US UK EU CM
5 3 36 22
5.5 3.5 36.5 22.5
6 4 37 23
6.5 4.5 37.5 23.5
7 5 38 24
7.5 5.5 38.5 24.5
8 6 39 25
8.5 6.5 39.5 25.5
9 7 40 26
9.5 7.5 40.5 26.5
10 8 41 27
10.5 8.5 41.5 28
11 9 42 28.8

Gloves

Circumference Length
XS 5.5-6 in 5-5.5 in
S 6.5-7 in 5.5-6.5 in
M 7.5-8 in 7-7.5 in
XL 8+ in 7.5-8 in

Hats

Head Circumference
ONE SIZE 21-23.5 in
S/M 21-22.5 in
L/XL 22.5-23.5 in

Kids' Size Guide

Apparel

Height Weight Chest Waist Hip Arm Length Inseam
XS (6) 46-47 in 44-50 lbs 23.5-24.5 in 22-23 in 24.5-25.5 in 23 in 20-21 in
S (7/8) 49-51 in 51-65 lbs 25-27 in 24-25 in 26-28 in 25.5 in 22-24 in
M (10) 52.5-55.5 in 66-87 lbs 27.5-29 in 25-26 in 29-30 in 27 in 25-26 in
L (12) 57.5-59.5 in 88-105 lbs 29.5-30.5 in 26.5-27.5 in 30.5-32 in 28.5 in 27-28 in
XL (14-16) 61-63 in 106-125 lbs 31.5-33.5 in 28-30 in 32-35 in 31.5 in 29-30.5 in
XXL (18-20) 66-68 in 126-140 lbs 34.5-36.5 in 31-33 in 35.5-38 in 33.5 in 30.5-31.5 in

Shoes

Toddlers Little Kids Big Kids
4 | 3.5 in 10 | 5.9 in 1 | 7.5 in
5 | 3.9 in 11 | 6.3 in 2 | 7.9 in
6 | 4.3 in 12 | 6.7 in 3 | 8.3 in
7 | 4.7 in 13 | 7.1 in 4 | 8.7 in
8 | 5.1 in 5 | 9.1 in
9 | 5.5 in 6 | 9.4 in
7 | 9.8 in

Gloves

Hand Circumference Length
XS 5 in 5 in
S 5.5 in 5.5
M 6 in 6 in
L 6.5 in 6.5 in
XL 7 in 7 in

Hats

Head Circumference
S (2T-4T)
 19.5-20.5 in
M (5-10)
 20.5-21.5 in
L (10+)
 21.5-22.5 in
One Size
 20.5-22.5 in

  • Waterproof

    This helps keeps you dry from rain and snow.

  • Breathable

    Material allows air or moisture vapor to pass through, helping to regulate body temperature.

  • Wind

    This fabric blocks wind from penetrating the garment, greatly reducing the effects of wind chill.

  • Synthetic fill

    Synthetic insulation maintains warmth even in damp conditions.

  • Down fill

    Lofty down insulation maintains warmth in cold conditions.

  • DWR - Water repellent

    A durable finish to allow for water beads on the surface of water repellent materials, preventing the fabric from saturating

  • Style NF0A8EF3ZU3

    The Advanced Mountain Kit is made with unparalleled precision for the world’s best mountain athletes. Our Summit AMK Superlight Sleep System is the next step in the evolution of alpine bags. It offers a wide fit so you can wear multiple layers while you sleep, meaning the bag itself requires less insulation for a lighter overall kit.

  • Sizes

    REG, LONG

  • Temp Rating

    30°F/-1°C (0°F/-18°C when sleeper is wearing AMK apparel)

  • Total Weight

    reg - 2 lbs 5 oz (1045 g) / long - 2 lbs 8 oz (1135 g)

  • Stuffed Size

    reg - 8.27'' x 15.75'' (21 cm x 40 cm) / long - 12.2'' x 18.9'' (31 cm x 48 cm)

  • Internal Length

    reg - 78'' (198 cm) / long - 84'' (213 cm)

  • Max User Height

    reg - 6' (183 cm) / long - 6'6'' (198 cm)

  • main body

    breathable-waterproof Spectra® ripstop with metalized coating and non-PFC durable water-repellent (non-PFC DWR) finish

  • lining

    7D recycled nylon with metalized coating and non-PFC DWR finish

  • insulation

    1000 fill ProDown™; Responsible Down Standard (RDS) certified by Control Union, CU 843098

  • stuffsack

    Dyneema® fabric
  • Wide cut allows user’s apparel insulation to loft, which reduces the amount of insulation needed in the bag
  • Combination of 1000 fill ProDown™ and a wide cut creates a multi-temperature system: 30°F/-1°C as a standalone bag; 0°F/-18°C when used as part of the AMK apparel-layering system
  • Shell fabric made with Spectra® ripstop for ultra-lightweight durability
  • Water-resistant exterior helps keep insulation dry
  • Center half zip keeps the bag light and compressible while maintaining access to the tie-in point
  • Thin, down-insulated hood and footbox provide warmth
  • Cinchable hood and collar help seal out the cold
  • Dyneema® compression stuffsack included

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