Men's Pants | Theory

Skip to main content Skip to footer content

Limited-Time Summer Offer| Shop summer-ready styles at can't-miss prices*. SHOP WOMEN SHOP MEN T&C apply

New Markdown Added | Close out the season with styles at can't-miss prices. SHOP WOMEN SHOP MEN

Buy More, Save More | Purchase two on-sale styles to enjoy extra savings. SHOP WOMEN SHOP MEN

Welcome Offer | Sign up to enjoy special offer on your first full-price purchase. SIGN UP NOW T&C apply.

New Arrivals

Back
- Women
  - Shop All New Arrivals
- Men
  - Shop All New Arrivals
- Women's New Arrivals
- Men's New Arrivals
- New Arrivals
  
  Shop Women
- New Arrivals
  
  Shop Men
Women

Back
- New + Now
- Clothing
  - View All
  - Pants
  - Blazers, Jackets + Vests
  - Dresses
  - T-Shirts
  - Tops
  - Outerwear
  - Skirts
  - Suits
  - Sweaters + Cardigans
- Bestsellers
- Sale
  - Sale
  - Last Chance
- Washed Twill
  
  Shop Now
- Pant Guide
  
  Shop Now
Men

Back
- New + Now
- Clothing
- Accessories
  - Hats, Gloves + Scarves
- Bestsellers
- Sale
  - Sale
  - Last Chance
- Pant Guide
  
  Shop Now
- World of Bilen
  
  Shop Now
Online Exclusive

Back
- Women
  - View All
- Men
  - View All
Sale

Back
- Women
  - Sale
  - Last Chance
- Men
  - Sale
  - Last Chance

Wishlist

Shop By

New Arrivals

Back
Women

Back
Men

Back
Online Exclusive

Back
- Women
  - View All
- Men
  - View All
Sale

Back
- Women
  - Sale
  - Last Chance
- Men
  - Sale
  - Last Chance

Order Tracking
Store Locator

Clear

Sign In / Register

checkout

View my bag

Men's Pants + Shorts

For over two decades, our in-house atelier has perfected our range of pants with precise tailoring and exceptional fabrics from the world’s best mills. The result is an impeccable edit of styles ready to take you wherever you need to go.

Filter By

Fit

Fabric

Color

Size

View Results (28)

View:

Recommended
Newest
Best Sellers
Price High
Price Low
Percent Off

Quick Add

Graham Pant in Kelso Nylon

null ~~Price reduced from to~~ AU$ 555.00

Purchase 3 Pieces to Unlock Bundle Price

Quick Add

Mayer Trousers in Stretch Wool

null ~~Price reduced from to~~ AU$ 435.00

Quick Add

Mayer Trousers in Stretch Wool

null ~~Price reduced from to~~ AU$ 435.00

Quick Add

Standard Drawstring Pant in Kelso Nylon

null ~~Price reduced from to~~ AU$ 555.00

Purchase 3 Pieces to Unlock Bundle Price

Curtis Drawstring Trousers in Motion Wool

Quick Add

Curtis Drawstring Trousers in Motion Wool

null ~~Price reduced from to~~ AU$ 480.00

Limited-Time Summer Offer

Quick Add

Zaine Trousers in Precision Ponte

null ~~Price reduced from AU$ 450.00 to~~ AU$ 225.00

Buy 2+ Extra Saving*

Raffi 5-Pocket Trousers in Neoteric Twill

Quick Add

Raffi 5-Pocket Trousers in Neoteric Twill

null ~~Price reduced from to~~ AU$ 360.00

Quick Add

Zaine Trousers in Precision Ponte

null ~~Price reduced from to~~ AU$ 450.00

Quick Add

Graham Pant in Kelso Nylon

null ~~Price reduced from to~~ AU$ 555.00

Purchase 3 Pieces to Unlock Bundle Price

Quick Add

Graham Pant in Kelso Nylon

null ~~Price reduced from to~~ AU$ 555.00

Purchase 3 Pieces to Unlock Bundle Price

Quick Add

Zaine Trousers in Precision Ponte

null ~~Price reduced from to~~ AU$ 450.00

Quick Add

Zaine Trousers in Precision Ponte

null ~~Price reduced from to~~ AU$ 450.00

Join our mailing list for our latest updates and enjoy 15% off your first full price order. Learn more about our privacy policy here.

forms.newsletter.successresult

Customer Care

My Account
Track My Order
Returns & Exchanges
Shipping & Payments
Size Chart & Alterations
FAQs

About Us

About Us
Stores

Mon-Fri: 9am-6pm GMT (excluding holidays)
Email

Site Map

Exclusions

Customer Care

My Account
Track My Order
Returns & Exchanges
Shipping & Payments
Size & Alterations
FAQs

About Us

About Us
Stores

Contact Us

Mon-Fri: 9am-6pm GMT (excluding holidays)
Email

Legal

Terms of Use
Privacy Policy
Exclusions

Site Map

Exclusions

WELCOME OFFER
(1) Promotional Period: From April 1, 2024 until further notice. (2) Eligibility: Customers who successfully subscribe to Theory Newsletters during the Promotional Period (“Eligible Customers”). (3) Designated Store in respect of this Promotion: The new Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (4) How to enjoy this Promotion: Eligible Customers can enjoy 15% off on regular-priced products at Theory Online Stores (subject to the Excluded Products as defined below) (the “Discount”) by entering the promotional code at checkout. The promotional code would be sent, via email, to Eligible Customers upon successful newsletter registration. (5) General Terms and Conditions: The Discount only applies to the first order placed by Eligible Customers on Theory Online Stores. The Discount does not apply to the purchase of Theory Project products, Bundles and permanent/core items (the “Excluded Products”). The Discount cannot be used in conjunction with any other discounts, promotional offers and coupons (including but not limited to Theory VIP discounts/Theory VIP Birthday discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.

BUNDLE PROMOTION
(1) Promotional Period: The Promotional Period is from 1 July, 2025 until further notice. (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can enjoy an additional discount upon purchasing, as the case maybe, 2 or 3 items of the same style (as may be designated by Theory from time to time) in any size or color (collectively the “Designated Items”) in one single transaction at Theory Online Stores (collectively the “Discount”). The Designated items, and the number of Designated Items required to be purchased to unlock the Discount, will be specifically marked on Theory Online Stores. Customers are required to add the Designated Items into bag to unlock the amount of the Discount. The Discount will automatically apply at checkout. (4) General Terms and Conditions: The Discount cannot be used in conjunction with any other discounts, promotional offers and coupons (including but not limited to Theory VIP discounts/Theory VIP Birthday discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.

FINAL SALE BUY MORE SAVE MORE OFFER
(1) Promotional Period: The Promotional Period is from 26 June, 2026 to 26 July, 2026 (both days inclusive). (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can enjoy an extra 10% discount (the “Discount ”) on discounted items (to be selected/designated by Theory at its discretion) (the “Discounted Items”) upon the purchase of two discounted items (the “Purchase Threshold”), in one single transaction at any Theory Online Stores. The Discount will automatically apply at checkout. (4) General Terms and Conditions: The Discount only applies to the Discounted Items. Discount cannot be used in conjunction with any other discounts, promotional offers and ts/Theory VIP Birthday discounts, shopping mall loyalty program discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. No exchange or return would be provided for products purchased with the Discount under this promotion. This promotional offer cannot be used in conjunction with Theory staff discount. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.

LIMITED-TIME SUMMER OFFER
(1) Promotional Period: The Promotional Period is from 1 July 2026 to 12 July 2026 (both days inclusive). (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can enjoy 15% discount upon any purchase on regular priced items (excluding the Excluded Products as defined below) (the “Discount”) in one single transaction at any Theory Online Stores. The Discount will automatically apply at checkout. (4) General Terms and Conditions: The Discount does not apply to Bundles items, permanent/core and discounted products (the “Excluded Products”). Save and except shopping mall coupons and designated “Gift With Purchase” offers designated by Theory from time to time, the Discount cannot be used in conjunction with any other discounts, promotional offers and coupons (including but not limited to Theory VIP discounts/Theory VIP Birthday discounts, shopping mall loyalty program discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. No exchange or return would be provided for products purchased with the Discount under this promotion. This promotional offer cannot be used in conjunction with Theory staff discount. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.