Midstream Wool Insulated Pant

$45.00 Regular price $161.59
Color - Jasper
Size
Size Guide

MEN’S TOP SIZE CHART

Men’s Sizes XS S M L XL XXL 3XL 4XL
Chest* 33" - 35" 36" - 38" 39" - 41" 42" - 45" 46" - 48" 49" - 51" 52" - 54" 55" - 57"
Neck* 13.5" - 14" 15.5" - 16" 16" - 16.5" 16.5" - 17" 17.5" - 18" 18.5" - 19" 19.5" - 20" 20.5" - 21"
Sleeve* 32" - 33" 33" - 34" 34" - 35" 35" - 36" 36" - 37" 37" - 38" 37" - 38" 37" - 38"

MEN’S BOTTOM SIZE CHART

Men’s Sizes XS S M L XL 2XL 3XL 4XL
Waist* 26" - 28" 31" - 33" 33" - 35" 35" - 37" 38" - 41" 42" - 44" 45" - 47" 48" - 50"
Inseam** 29" 30" 31" 32" 33" 34" 34" 34"

WOMEN’S TOP SIZE CHART

Women’s Sizes XS (0-2) S (4-6) M (8 - 10) L (12 - 14) XL (16 - 18) XXL (20)
Bust* 32" - 34" 34" - 36" 36" - 38" 38" - 41" 41" - 44" 44" - 46"
Sleeve* 31" 31" 32" 33" 33" 33"

WOMEN’S SPORTSWEAR BOTTOM SIZE CHART

Women’s Sizes XS (0-2) S (4-6) M (8 - 10) L (12 - 14) XL (16 - 18) 2XL (20)
Waist* 25" - 26" 26" - 28" 28" - 30" 30" - 33" 33" - 36" 36" - 38"
Hip* 34" - 36" 36" - 38" 38" - 40" 40" - 43" 43" - 46" 46" - 48"
Inseam** 29" 29" 30" 31" 31" 31"

KID’S SPORTSWEAR SIZE CHART

Size S (6-8) M (8-10) L (10-12) XL (14-16)
Height 47" - 52" 53" - 58" 59" - 64" 65" - 68"
Chest 25" - 27" 28" - 30" 31" - 33" 34" - 37"

KID’S HOODIES SIZE CHART

Size S (6-8) M (10-12) L (14-16) XL (18-20)
Body Length 21" 23" 25" 27"
Body Width 16" 18" 20" 22"
Sleeve Length (Center back) 28.5" 30" 31.5" 33"

KID’S WADING BOOT SIZE CHART

Simms Kid's Wading Boot Size 5 6 7 8 9
Kid's Street Shoe Size 4 5 6
USA Women's Street Shoe Size 6 7 8 9 10
USA Men's Street Shoe Size 4 5 6 7 8

Men's Footwear Size Chart

Simms Shoe USA Euro UK CM
Sandal or Flip
5 5 38 4.5 23
6 6 39 5.5 23.5
7 7 40 6 24.4
8 8 41 7 25.4
9 9 42 8 26
9.5 9.5 42.5 8.5 26.7
10 10 43 9 27
10.5 10.5 43.5 9.5 27.3
11 11 44 10 27.9
11.5 11.5 44.5 10.5 28.3
12 12 45 11.5 28.6
13 13 46 12.5 29.4
14 14 47 13.5 30.2

Women's Footwear Size Chart

Simms Shoe USA Euro UK CM
Sandal or Flip
5 5 35 2.5 21.6
6 6 36 3.5 22.5
7 7 37.5 4.5 23.5
8 8 38.5 5.5 24.1
9 9 40 6.5 25.1
10 10 42 7.5 25.9
11 11 43.5 8.5 26.7
12 12 44.5 9.5 27.6

Men’s Wading Pant Size Chart

Simms Men’s Wading Pant Size S 7 - 8 S King 7 - 8 M 9 - 11 M 9 - 11 M King 9 - 11 M 9 - 11 L 9 - 11 L 9 - 11 L King 9 - 11 L 9 - 11 XL 12 - 13 XL King 12 - 13 XL 12 - 13 XXL 12 - 13
Inseam Type Regular Regular Regular Short Regular Long Regular Short Regular Long Regular Regular Long Regular
Waist 28" - 32" 30" - 34" 32" - 36" 32" - 36" 34" - 38" 32" - 36" 36" - 40" 36" - 40" 38" - 42" 36" - 40" 40" - 44" 42" - 46" 40" - 44" 44" - 48"
Inseam (Crotch to floor) 31" - 32" 31" - 32" 33" - 34" 31" - 32" 33" - 34" 35" - 36" 33" - 34" 31" - 32" 33" - 34" 35" - 36" 35" - 36" 35" - 36" 37" - 38" 35" - 36"
Stockingfoot Size (Shoe Size) 7-8 7-8 9-11 9-11 9-11 9-11 9-11 9-11 9-11 9-11 12-13 12-13 12-13 12-13

Wool's natural properties provide resilience and comfort across a wide range of temperatures and humidity, plus it offers exceptional odor resistance — ideal for travel, daily wear, and backcountry stays. Lavalan® Sport brings the timeless benefits of wool insulation to modern technical outerwear, offering a natural, renewable solution for temperature and moisture management — perfect for streamlining your kit on extended trips. When it's cold and damp, nothing brings back the cozy like a pair of insulated pants. Whether it's a chilly summer evening in camp, or you're extending the season year-round, Midstream Pants prove versatile and comfortable.

  • Lavalan® Sport 40G wool lofted insulation
  • Abrasion-resistant nylon textiles used for both face and liner with C0 DWR finish for water resistance
  • Durable nylon overlays on the knees and seat
  • Integrated belt with quick-release buckle and elastic waistband ensures a comfortable fit
  • Zip fly construction
  • Two front drop-in hand pockets and two rear drop-in pockets
  • Articulated knee and gusset construction for freedom of movement

Fabric Tech:

Main/Liner: 85% Nylon, 15% Spandex woven; Overlays: 96% Nylon (45% recycled) / 4% Spandex woven

Insulation: 70% Virgin Wool, 30% Corn Based PLA

• Lavalan® Sport 40G wool lofted insulation• Abrasion-resistant nylon textiles used for both face and liner with C0 DWR finish for water resistance• Durable nylon overlays on the knees and seat• Integrated belt with quick-release buckle and elastic waistband ensures a comfortable fit• Zip fly consruction• Two front drop-in hand pockets and two rear drop-in pockets• Articulated knee and gusset construction for freedom of movement

Machine wash and dry. See garment label for details.

  • Functional Defect? We'll replace it.
  • Within the First Year? Repairs on us.
  • Beyond One Year? We'll repair it or make it right.

Visit our Warranty & Repairs page for full details, start a ticket, or to contact the Bozeman, Montana based customer service team with questions.

You can extend the life of your waders, outerwear and gear with the right care. Check out our tips on topics like wader care and videos on in-field DIY Repairs.

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