Burton Men's [ak]® Helium Stretch Insulated Pants - Winter 2026/2027

527493

Burton

$ 279.95

M

L

XL

Brands are in Alphabetical order

Arc’Teryx

Arc’Teryx Men’s Jackets/Shirts

Size	Sleeve	Chest	Waist	Hip
XXS	31	34¹/₂	28	33¹/₂
XS	32	36	30	35¹/₂
S	33	38	32	37¹/₂
M	34	40	34	39¹/₂
L	35	43¹/₂	37	42¹/₂
XL	36	46¹/₂	40	45¹/₂
XXL	37	50¹/₂	44	49¹/₂

Arc’Teryx Men’s Pants Sizing Chart (Alpha)

Size	Waist	Hip	Regular Inseam	Short Inseam	Tall Inseam
XXS	28	33¹/₂	31¹/₂	-	-
XS	30	35¹/₂	31¹/₂	29¹/₂	34¹/₂
S	32	37¹/₂	32	30	35
M	34	39¹/₂	32¹/₂	30¹/₂	35
L	37	42¹/₂	33	31	35¹/₂
XL	40	45¹/₂	33	31¹/₂	36
XXL	44	49¹/₂	33	31¹/₂	36

Arc’Teryx Men’s Pants Sizing Chart (Numerical)

Size	Waist	Hip	Regular Inseam	Short Inseam	Tall Inseam
28	29¹/₂	35¹/₂	31¹/₂	29¹/₂	34¹/₂
29	30¹/₂	36¹/₂	32	30	35
30	31¹/₂	37¹/₂	32	30	35
31	32¹/₂	38¹/₂	32	30	35
32	33¹/₂	39¹/₂	32¹/₂	30¹/₂	35
33	34¹/₂	40¹/₂	32¹/₂	30¹/₂	35¹/₂
34	35¹/₂	41¹/₂	32¹/₂	30¹/₂	35¹/₂
36	37¹/₂	43¹/₂	33	31	36
38	39¹/₂	45¹/₂	33	31	36

Arc’Teryx Women’s Jackets/Shirts

Size	Sleeve	Chest	Waist	Hip
XXS	28¹/₂	30	23¹/₂	33
XS	29¹/₂	32	25¹/₂	35
S	30¹/₂	34	27¹/₂	37
M	31¹/₂	36	29¹/₂	39
L	32	39	32¹/₂	42
XL	32¹/₂	43	36¹/₂	46
XXL	33¹/₂	47	40¹/₂	50

Arc’Teryx Women’s Pants Sizing Chart (Alpha)

Size	Waist	Hip	Regular Inseam	Short Inseam	Tall Inseam
XXS	23¹/₂	33	30¹/₂	28¹/₂	33¹/₂
XS	25¹/₂	35	31	29	33¹/₂
S	27¹/₂	37	31	29	34
M	29¹/₂	39	31	29¹/₂	34
L	32¹/₂	42	31¹/₂	29¹/₂	34¹/₂
XL	36¹/₂	46	32	30	35
XXL	40¹/₂	50	-	-	-

Arc’Teryx Women’s Pants Sizing Chart (Numerical)

Size	Waist	Hip	Regular Inseam	Short Inseam	Tall Inseam
00	24	33¹/₂	30¹/₂	29	-
0	25	34¹/₂	30¹/₂	29	-
2	26¹/₂	36	30¹/₂	29	-
4	27¹/₂	37	31	29	34
6	28¹/₂	38	31	29	34
8	30	39¹/₂	31	29	34
10	31	40¹/₂	31¹/₂	29	34
12	33	42¹/₂	31¹/₂	29	34
14	35	44¹/₂	31¹/₂		34

Burton

Burton Men's Outerwear Size Chart

Size	XXS	XS	S	M	L	XL	XXL	3XL
Arm (in)	32	32-32.5	32.5-33	33	33.5	33.5-34	34-35	35
Chest (in)	32 - 34	34 - 36.5	36.5-39	39-41	41-43	43 - 46	46 - 50	50-54
Natural Waist (in)	27-29	29-31	31 - 33	33- 35	35-37	37-40	40 - 44	44-51
Hips (in)	33.5-35.5	35.5-37	37-38.5	38.5-40.5	40.5-42.5	42.5-45.5	45.5-49.5	49.5-52.5
Equivalent Women's Size	XS	S	M	L	XL	XXL	3XL	* Size unavailable
Garment Inseam	Short	Regular	Tall
Body Inseam/ Inside Leg (in)	30.5	32.5	34.5

Burton Women's Outerwear Size Chart

Size	XXS	XS	S	M	L	XL	XXL	3XL
Arm (in)	32	32-32.5	32.5-33	33	33.5	33.5-34	34-35	35
Chest (in)	32 - 34	34 - 36.5	36.5-39	39-41	41-43	43 - 46	46 - 50	50-54
Natural Waist (in)	27-29	29-31	31 - 33	33- 35	35-37	37-40	40 - 44	44-51
Hips (in)	33.5-35.5	35.5-37	37-38.5	38.5-40.5	40.5-42.5	42.5-45.5	45.5-49.5	49.5-52.5
Equivalent Women's Size	XS	S	M	L	XL	XXL	3XL	* Size unavailable
Garment Inseam	Short	Regular	Tall
Body Inseam/ Inside Leg (in)	30.5	32.5	34.5

Burton Kids’ Outerwear & Apparel Size Chart

Size	XS	S	M	L
Age	6-7	8	10	12
Height (in)	46-50	50-54	54-58	58-62
Weight (lbs)	43-48	48-68	65-87	85-100
Weight (kgs)	20-22	22-31	29-39	39-45
Arm (in)	22-23	24	24.5-25	26.5
Chest (in)	23.5-24.5	24.5-26.5	26.5-28.5	28.5-31.5
Natural Waist (in)	21.5-22.5	22.5-24.5	24.5-26.5	26.5-28.5
Hips (in)	23.5-25	25-28	28-30.5	30.5-33
Body Inseam/ Inside Leg (in)	20-23	24-24.5	25.5-26	27.5
EU	116/122	128	140	152
JPN	120	130	140	150
Size	XS	S	M	L
Age	6-7	8	10	12
Height (in)	46-50	50-54	54-58	58-62
Weight (lbs)	43-48	48-68	65-87	85-100

Elevenate

Elevenate Men's Size Chart

Size (cm)	S	M	L	XL	XXL
Body length	170-178	175-183	180-188	185-193	190-198
Chest	92,0	98,0	104,0	110,0	116,0
Waist	81,0	86,0	92,0	98,0	104,0
Seat	95,0	101,0	107,0	113,0	119,0
Inseam, to the floor	79,0	80,5	82,0	83,5	85,0
Sleeve length, from center back	82,0	84,5	87,0	89,5	92,0

Elevenate Women's Size Chart

Size (in)	XS	S	M	L	XL
Body length	~5ft 3in.	~5ft 5in.	~5ft 7 in.	5ft 9in.	~5ft 11in.
Chest	31,5 in.	33,9 in.	36,2 in.	38,6 in.	40,9 in.
Waist	26 in.	28 in.	29,9 in.	32,3 in.	34,6 in.
Seat	34,6 in.	37 in.	39,4 in.	41,7 in.	44,1 in.
Inseam, to the floor	29,9 in.	30,5 in.	31,1 in.	31,7 in.	32,3 in.
Sleeve length, from center back	29,1 in.	30,1 in.	31,1 in.	32,1 in.	33,1 in.

Holden

Holden Men’s Size Chart

Size	S	M	L	XL	XXL
Chest	36-38	38-40	40-42	42-45	45-48
Waist	30-32	32-34	34-36	36-38	38-41
Sleeve	32	33	34	35	36
Inseam	30½	31½	32½	33½	34½

Holden Women’s Size Chart

Size	XXS	XS	S	M	L
Size	00	0-2	4-6	8-10	12-14
Chest	29-31	31-33	33-35	35-37	37-39
Waist	23-34	25-26	27-28	29-30	31-32
Hips	33-34	35-36	37-38	39-40	41-42
Inseam	29	30	31;	32	33

Kuhl

Kuhl Men’s Size Chart

Size	XS	M	L	XL	XXL
Neck	14-14.5	15-15.5	16-16.5	17-17.5	18-18.5
Chest	36-38	39-41	42-44	44-47	48-50
Waist	28-30	31-33	34-36	37-39	40-42
Hips	35-37	38-40	41-43	44-46	47-49
Sleeve to Chest bust	33	34	35	36	37
Inseam	31.5	32	32.5	33	33.5

Kuhl Women’s Size Chart

Us Size	2	4-6	8-10	12-14	16
Bust	32-33	34-35	36-37	38-40	41-43
Sleeve	31	32	33	34	35
Waist	24.5-25.5	26.5-27.5	28.5-29.5	30.5-32.5	34.5-36.5
Hips	35-36	37-38	39-41	42-44	45-47
Inseam	32	32	32	32	32

Mons Royale

Mons Royale Men’s Tops, Bottom, Underwear

		S	M	L	XL	XXL
Chest	CM	95	101	107	113	121
Chest	Inch	37.5	40	42	44.5	47.5
Waist	CM	81	87	93	99	107
Waist	Inch	32	34.5	36.5	39	42
Hip	CM	94	100	106	112	120
Hip	Inch	37	39.5	41.5	44	47

Mons Royale Women’s Tops, Bottom, Underwear

		XS	S	M	L	XL
Bust	CM	82	87	92	97	104
Bust	Inch	32.5	34.5	36	38	41
Waist	CM	66	71	76	81	88
Waist	Inch	26	28	30	32	34.5
Hip	CM	90	95	100	105	112
Hip	Inch	35.5	37.5	39.5	41.5	44

Mons Royale Men’s Shorts

		S	M	L	XL
Sizes	Standard Jeans Sizing (waist)	30	32	34	36
Virage Short	Length CM	33	33.25	33.5	33.75
Momentum Short	Length CM	32.7	32.9	33.2	33.45
Drift Short	Length CM	24.9	25.4	25.9	26.4

Mons Royale Women’s (Shorts)

		XS	S	M	L
Sizes	Standard Jeans Sizing (waist)	27	28	29	30
Virage Short	Length CM	31.5	32.5	33.5	34.5
Momentum Short	Length CM	36.5	37	37.5	38
Drift Short	Length CM	17.5	18.5	19.5	20.5

North Face

North Face Men’s Jackets and 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
XXL	49-52 in	47-49 in	36.3 in

North Face Women’s Jackets and 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
XXL	45-48 in	39-42 in	48-51 in	34.8 in

North Face Men’s 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	47-48 in	30.5 in	32.5 in	34.5 in

North Face Women’s Pants

	Waist	Hip	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

Orage

Orage Men’s Size Chart

US Size	Chest	Waist	Hips	Inseam	Sleeve Length
X-Small	33.5 - 34.5"	27.5 - 28.5"	33.5 - 34.5"	31"	32"
Small	35 - 37"	29 - 31"	35 - 37"	31.5"	32.5"
Medium	38 - 40"	32 - 34"	38 - 40"	32"	33.5"
Large	41 - 43"	35 - 37"	41 - 43"	32.5"	34.5"
X-Large	44 - 46"	38 - 40"	44 - 46"	33"	35.5"
XX-Large	47 - 50"	41 - 43"	47 - 50"	33.5"	36.5"

Orage Women’s Size Chart

US Size	Chest	Waist	Hips	Inseam	Sleeve Length
XX-Small	30 - 31"	27.5-28.5"	33.5-34.5"	31"	32"
X-Small	32 - 33"	29-31"	35-37"	31.5"	32.5"
Small	34 - 35"	32-34"	38-40"	32"	33.5"
Medium	36 - 37"	35-37"	41-43"	32.5"	34.5"
Large	38 - 39"	38-40"	44-46"	33"	35.5"
X-Large	40 - 42"	41-43"	47-50"	33.5"	36.5"

Patagonia

Patagonia Men’s Size Chart

	XS	S	M	L	XL	XL
Chest	34-35	36-38	39-41	42-45	46-48	49-51
Neck	14-14.5	15-15.5	15.5-16	16.5-17	17-17.5	17.5-18
Sleeve	32	33	34	35	36	37
Waist	28	29-30	31-33	34-36	38	40-42
Inseam	31	31	32	33	33	33
Women's Size Conversion	4-6	8-10	12-14	14-16	-	-

Patagonia Women’s Size Chart

	X-Small	Small	Medium	Large	X-Large
Numeric	0-2	4-6	8-10	12-14	16
Chest	32-33	34-35	36-37	38.5-40	41 1/2
Waist	24-25	26-27	28-29	30.5-32	33 1/2
Hip	34.5-35.5	36.5-37.5	38.5-39.5	41-42.5	44
Inseam	30	31	31	31	31

Patagonia Boys Size Chart

	XX-Small	X-Small	Small	Medium	Large	X-Large	XX-Large
Sizes	3-4	5-6	7-8	10	12	14	16-18
Chest	21-22	23-24	25.5-26.5	27.5	28.5	30.5	32-33.5
Waist	20.5-21	22.5-23	23.5-24.5	25.5	26.5	28	29.5-31
Height	38-41	44-46.5	49.5-52	55.5	58.5	61.5	64-66.5
Weight (lbs.)	34-42	42-49	52-68	71-87	87-100	102-112	114-135

Patagonia Girls Size Chart

	XXS	XS	S	M	L	XL	XXL
Sizes	3-4	5-6	7-8	10	12	14	16-18
Chest	21-22	23-24	26-27	28.5	30	31.5	33.5-35
Waist	20.5-21	22.5-23	23.5-24.5	25	26	28	29.5-31
Height	38-41	44-46.5	50.5-52.5	55	58	61	64-66.5
Weight (lbs.)	34-42	42-49	52-68	71-87	85-95	99-110	109-131

Patagonia Babies Size Chart

	0M	3M	6M	12M	18M	24M
Ages	Newborn	0-3M	3-6M	6-12M	12-18M	18-24M
Weight	Up to 7lbs	7-15lbs	15-20lbs	20-25lbs	25-28lbs	28-32lbs
Length	Up to 20in	21-24in	25-27in	28-31in	31-33in	33-35in

Patagonia Toddler's Size Chart

	2T	3T	4T	5T
Weight	28-32lbs	32-35lbs	35-40lbs	39-42lbs
Length	35in	38in	41in	44in

Picture Organic

Picture Organic Men’s Size Chart

USA / Euro Size	XS	S	M	L	XL	XXL
Pant Size	28	30	32	34	36	38
Height (in)	65 / 66	67 / 68	69 / 70	71 / 72	73 / 74	75 / 76
Chest (in)	32 - 35	35 - 37	38 - 40	40 - 42	42 - 44	44 - 47
Waist (in)	27 - 29	29 - 31	31 - 33	34 - 36	36 - 38	38 - 40
Hip (in)	32 - 34	35 - 37	38 - 40	42 - 44	46 - 48	50 - 52

Picture Organic Women’s Size Chart

EU Size	XS	S	M	L	XL
USA Size	XXS	XS	S	M	L
Height (in)	62 - 64	64 - 66	66 - 68	68 - 70	70 - 72
Chest (in)	< 32	32 - 34	35 - 37	37 - 39	39 - 41
Waist (in)	24 - 25	25 - 27	27 - 29	29 - 31	31 - 33
Hip (in)	25 - 26	27 - 28	29 - 30	31 - 32	33 - 34

Smartwool

Smartwool Men’s Apparel Size Chart

Size	Chest	Waist	Hip	Arm Length	Inseam
S	36"-38" 91.5-96.5cm	29"-31" 73.5-78.5cm	36"-38" 89-96.5cm	31"-32" 68.5-81.5cm	30"-31" 73.5-78.5cm
M	39"-41" 99-104cm	32"-34" 81.5-86.5cm	39"-41" 99-104cm	32"-33" 81.5-84cm	31"-32" 78.5-81.5cm
L	42"-44" 106.5-112cm	35"-37" 89-94cm	42"-44" 106.5-112cm	33"-34" 84-86.5cm	32"-33" 81.5-84cm
XL	45"-48" 114.5-122cm	38"-40" 96.5-101.5cm	45"-48" 114.5-122cm	34"-35" 86.5-89cm	33"-34" 84-86.5cm
XXL	49"-51" 124.5-129.5cm	41"-44" 104-112cm	49"-51" 124.5-129.5cm	35"-36" 89-91.5cm	34"-35" 86.5-89cm

Smartwool Women’s Apparel Size Chart

Size	Chest	Waist	High Hip	Hip	Arm Length	Inseam
XS 0-2	32"-33" 81.5-84cm	24"-25" 61-63.5cm	31"-32" 78.5-81.5cm	35"-36" 81-91.5cm	27"-28" 68.5-71cm	29"-30" 73.5-76cm
S 4-6	34"-35" 86.5-89cm	26"-27" 66-68.5cm	33"-34" 84-86.5cm	37"-38" 94-96.5cm	28"-29" 71-73.5cm	30"-31" 76-78.5cm
M 8-10	36"-38" 91.5-96.5cm	28"-30" 71-76cm	35"-36" 89-91.5cm	39"-40" 99-101.5cm	29"-30" 73.5-76cm	31"-32" 78.5-81.5cm
L 12-14	39"-40" 99-101.5cm	31"-32" 78.5-81.5cm	37"-38" 94-96.5cm	41"-42" 104-106.5cm	30"-31" 76-78.5cm	32"-33" 81.5-84cm
XL 16-18	41"-42" 104-106.5cm	33"-34" 84-86.5cm	39"-40" 99-101.5cm	43"-44" 109-112cm	31"-32" 78.5-81.5cm	33"-34" 84-86.5cm

Smartwool Kids’ Apparel Size Chart

Size	Age	Chest	Waist	Height	Weight
XS	4-5	24"-25" 61-63.5cm	22"-22.5" 56-57cm	42"-48" 106.5-122cm	42-49 lbs
S	6-8	22.5"-26.5" 57-67.5cm	23"-24" 58.5-61cm	48"-54" 122-137cm	49-59 lbs
M	9-10	27"-28" 68.5-71cm	24.5"-25" 62-63.5cm	54"-57" 137-145cm	59-75 lbs
L	11-12	28.5"-30" 72.5-76cm	25.5"-26" 65-66cm	57"-60" 145-152.5cm	75-89 lbs
XL	13-14	30.5"-32" 77.5-81cm	26.8"-28" 67.5-71cm	60"-62" 152.5-157.5cm	89-100 lbs

Spyder

Spyder Boy’s Size Chart

	Small (8)		Medium (10/12)		L (14/16)		XL (18/20)
	IN/LBS	CM/KGS	IN/LBS	CM/KGS	IN/LBS	CM/KGS	IN/LBS	CM/KGS
Chest	26.5	67	27.5-28.5	70-72	30.5-32	77-81	33.5-35	85-89
Waist	24.5	62	25.5-26.5	65-67	28-29.5	71-75	31-32.5	79-83
Hip	28	70	29-30.5	74-77	32-33.5	81-85	35-36.5	89-93
Inseam	24.5	62	25.5-27.5	65-70	30-31	76-79	31-32	79-81
Height	52	132	55.5-58.5	141-149	61.5-64	156-163	66.5-69	169-175
Weight	65	29.5	78-95	35.5-43	108-118	49-53.5	130-140	59-63.5

Spyder Girl’s Size Chart

	Small (8)		Medium (10/12)		L (14/16)		XL (18)
	IN/LBS	CM/KGS	IN/LBS	CM/KGS	IN/LBS	CM/KGS	IN/LBS	CM/KGS
Chest	27	69	28.5	72-76	31.5	80-85	33.5-35	85-90
Waist	24.5	62	25-26	64-66	28-30	71-76	32	81
Hip	28.5	72	30-32	76-81	34-36	86-91	38	97
Inseam	24.5	62	26-27.5	66-70	29-29.5	74-75	29.5	75
Height	52.5	133	55-58	140-147	61.5-62.5	155-159	62.5	159
Weight	65	29.5	75-90	34-41	105-115	47.5-52	125	56.6

Vuori

Vuori Women's Size Chart (Tops)

	XS	S	M	L	XL
Size	00-0	2-4	6-8	10-12	14-16
Chest	33-34	35-36	37-39	39-40	40-41
Cup Size	32A-B	34B-C	34C-36C	36C-38B	38B-38C

Vuori Women's Size Chart (Pants)

	XS	S	M	L	XL
Size	00-0	2-4	6-8	10-12	14-16
Denim	24-25	26-27	28-29	30-31	32-33
Waist	24-26	26-28	28-30	30-32	32-34
Hip	34-36	36-38	38-40	40-42	42-44

Vuori Men's Size Chart (Tops)

	S	M	L	XL	XXL
Chest	35-37	37-40	40-43	43-47	47-52

Vuori Men's Size Chart (Pants)

	28	30	32	33	34	36	38
Waist	27-29	29-32	32-34	34-35	35-37	38-43	43-47
Hip	33-35	35-37	37-41	41-43	43-44	44-47	47-50

Volcom

Volcom Men’s Size Chart

	XS	S	M	L	XL	XXL
	27	28 - 30	31 - 33	34 - 36	38 - 40	42
Height	5'6" - 5'7"	5'8" - 5'10"	5'10" - 6'0"	6'0" - 6'2"	6'1" - 6'3"	6'1" - 6'3"
Neckline (in)	14	14 - 14.5	15 - 15.5	16 - 16.5	17 - 17.5	18 - 18.5
Shoulders (in)	16.75	17.5	18.25	19	19.75	20.5
Chest (in)	32 / 34	34 / 36	38 / 40	42 / 44	44 / 46	46 / 48
Sleeve (in)	30 - 31.5	32 - 33	33.5 - 34.5	35 - 36	36 - 37	36 - 37
Waist (in)	27	28 - 30	31 - 33	34 - 36	38 - 40	42
Hip (in)	33 - 34	34 - 37	37 - 40	40 - 42	42 - 44	44 - 45
Inseam (in)	30	30	32	33	33	33

Volcom Women’s Size Chart

	XS	S	M	L	XL
Height	5'6" - 5'7"	5'8" - 5'10"	5'10" - 6'	6' - 6'2"	6'1" - 6'3"
Bust	32 - 34"	34 - 36"	38 - 40"	42 - 44"	44 - 46"
Waist	23.5 - 25"	25.5 - 27"	27.5 - 29"	29.5 - 31"	31.5 - 33"
Fullest Hip	33.5 - 35"	35 - 36.5"	36.5 - 38"	38 - 39.5"	40 - 40.5"
Sleeve Length	30 - 31.5"	32 - 33"	33.5 - 34.5"	35 - 36"	36 - 37"
Bicep	11.75"	12.5"	13.25"	14"	14.75""

Rum Raisin

Stretchy, breathable synthetic mid-layer pants

Layer up for a cold day on the mountain. Stay warm at base camp. The men's Burton [ak] Helium Stretch Insulated Pants are that extra layer that makes a difference on the coldest days. Stretchy and breathable, they're made for wearing under your shell pants or bibs, but they're so comfortable you'll prob wear them for a lot more things, too.

Features:

Low-bulk insulation adds warmth while staying breathable when you're working hard.
Stretch fabric and waistband let you move easily without feeling restrictive.
Zippered hand-warmer pockets and a back pocket add utility and keep choice items close.
Bluesign® approved materials reduce impact on humans and the planet during manufacturing.

Burton Men's [ak]® Helium Stretch Insulated Pants - Winter 2026/2027

Stretchy, breathable synthetic mid-layer pants

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