Name: Core Performance Straight Leg Pant
Brand: CORE
SKU: 397
Price: 39.00 USD
Availability: InStock
Rating: 4.8 (8 reviews)

$65.00 $39.00

Choose a Color — Black

Black

Quantity

{"id":41590116122710,"title":"Black \/ Small","option1":"Black","option2":"Small","option3":null,"sku":"397","requires_shipping":true,"taxable":true,"featured_image":{"id":33337437945942,"product_id":7345505435734,"position":1,"created_at":"2024-09-12T11:21:55-05:00","updated_at":"2025-11-03T14:28:20-06:00","alt":"#color_black","width":1080,"height":1080,"src":"\/\/1stphorm.com\/cdn\/shop\/files\/1stphorm_apparel_men_core_performance_straight_leg_pant_black_0005.jpg?v=1762201700","variant_ids":[41590116122710,41590116876374,41590116909142,41590116941910,41590116974678,41590117007446]},"available":true,"name":"Core Performance Straight Leg Pant - Black \/ Small","public_title":"Black \/ Small","options":["Black","Small"],"price":3900,"weight":363,"compare_at_price":6500,"inventory_management":"shopify","barcode":"500000000397","featured_media":{"alt":"#color_black","id":25986912944214,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/1stphorm.com\/cdn\/shop\/files\/1stphorm_apparel_men_core_performance_straight_leg_pant_black_0005.jpg?v=1762201700"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

COMPLETE THE LOOK

Genesis Vented Raglan

Primal Green

$32.50

Choose a Color — Primal Green

Primal Green

Arctic

Black

Saltwater

Navy

Olive Night

Charcoal

{"id":43444450885718,"title":"Primal Green \/ Small","option1":"Primal Green","option2":"Small","option3":null,"sku":"18014","requires_shipping":true,"taxable":true,"featured_image":{"id":35656770388054,"product_id":6627247390806,"position":1,"created_at":"2025-11-14T14:54:17-06:00","updated_at":"2025-11-26T09:14:14-06:00","alt":"#color_primal-green","width":1080,"height":1080,"src":"\/\/1stphorm.com\/cdn\/shop\/files\/1stPhorm_Apparel_Men_Shirts_GenesisShortSleeve_PrimalGreen_0001.jpg?v=1764170054","variant_ids":[43444450885718,43444450918486,43444450951254,43444450984022,43444451016790,43444451049558]},"available":true,"name":"Genesis Vented Raglan - Primal Green \/ Small","public_title":"Primal Green \/ Small","options":["Primal Green","Small"],"price":5000,"weight":181,"compare_at_price":null,"inventory_management":"shopify","barcode":"400000018014","featured_media":{"alt":"#color_primal-green","id":27740696477782,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/1stphorm.com\/cdn\/shop\/files\/1stPhorm_Apparel_Men_Shirts_GenesisShortSleeve_PrimalGreen_0001.jpg?v=1764170054"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

DESCRIPTION
SIZE & FIT
RETURNS & EXCHANGES
REVIEWS

DESCRIPTION

The Core Performance Straight Leg Pant is your go-to athletic lifestyle pant.

• Wide elastic comfort waistband
• Adjustable interior drawstring
• Back and side leg hidden zippered pockets keep your belongings secure
• Open side pockets for easy access
• Faux fly front for a more stylish look
• Fit options for personal preference (Tapered Pant)
• Best for your athletic lifestyle - whether it's Cross-Fit, weightlifting, running errands, or dinner with friends

Engineered fabric details:

• High 4-way stretch
• Sweat-wicking
• Medium weight
• 84% Nylon / 16% Spandex

SIZE & FIT

Model in main image is 5’7”, 196lbs wearing size Medium.

Athletic Fit Standard Fit Relaxed Fit

RETURNS & EXCHANGES

We stand behind our products with our 110% Money Back Guarantee! If you are unhappy with any 1st Phorm product for any reason or your results with it, it can be returned within 30 days of purchase for a FULL REFUND + 10% (minus shipping costs).

REVIEWS

Reviews

REVIEWS

4.8

Rated 4.8 out of 5 stars

Based on 8 reviews

Total 5 star reviews: 7 Total 4 star reviews: 0 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0

88%would recommend this product

Write a Review (Opens in a new window)

8 reviews

Sort

JH
Joe H.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
5 hours ago
Comfort Meets Performance
These pants are amazing and comfortable. They do not bunch up when squatting or lunging like other similar brands. You can also throw them on to go run an errand or two.
Was this helpful?
BH
Benjamin H.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
11 months ago
Light and comfy!
Green color is more on the light side than dark. Matches well with Green Bay Packer and Milwaukee Bucks gear, my fellow Wisconsinites.
Was this helpful?
DW
Dariusz W.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
12 months ago
Wish I ordered more
They are sold out for a reason. They are very comfortable ‼️
Was this helpful?
MR
Michael R.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
12 months ago
1st Phorm pants!
I gotta say these are the best comfort pants for any occasion!! Gonna get another pair for sure!
Was this helpful?
JF
Joe F.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 year ago
Love these!!!
I have fairly large calves and I struggle finding pants that fit them and not look like tights but these fit perfectly.
Was this helpful?

Size	Center Front Rise (Including Waistband)	Center Back Rise (Including Waistband)	Waistband Width	Hip Width	Inseam
Small	11"	13"	29"	38.5"	28"
Medium	11.5"	13.5"	31"	40.5"	28.5"
Large	12"	14"	33"	42.5"	29"
X-Large	12.5"	14.5"	36"	45.5"	29.5"
2-Xlarge	13"	15"	39"	48.5"	30"
3-Xlarge	13.5"	15.5"	42"	51.5"	30.5"

Size	Chest	Bottom Width	Total Length
Small	37"	38"	27"
Medium	39"	40"	28"
Large	41"	42"	29"
X-Large	44.5"	45.5"	30"
2-Xlarge	48"	49"	31"
3-Xlarge	53"	54"	32"

Suggestions

Articles

Pages

Products

Core Performance Straight Leg Pant

Core Performance Straight Leg Pant Size Guide

Genesis Vented Raglan

Genesis Vented Raglan Size Guide

DESCRIPTION

Description:

SIZE & FIT

RETURNS & EXCHANGES

REVIEWS

REVIEWS

Currency

Claim Your Free Gift

Core Performance Straight Leg Pant

Core Performance Straight Leg Pant Size Guide

Genesis Vented Raglan

Genesis Vented Raglan Size Guide

DESCRIPTION

Description:

SIZE & FIT

RETURNS & EXCHANGES

REVIEWS

REVIEWS