Due to the Canada Postal strike - some addresses within the country will be temporarily unavailable for delivery and returns processing. All packages will be delivered and returns processed as soon as possible.
Skip to Main Content
Skip to Filters
Skip to Filters
Skip to Footer
Switch Stores
USA
Gift Cards
Track Order
Help
My Account
Language
English
Français
men
women
More
kids
jerseys
t-shirts
headwear
kids
jerseys
t-shirts
More
headwear
headwear
accessories
SIGN UP & SAVE!
NFL
San Francisco 49ers
Nike
San Francisco 49ers Men
Sideline Gear
Filters
Cancel
Your Selections
San Francisco 49ers
Nike
Men
Sideline Gear
3XL
Featured Departments
Sweatshirts
T-Shirts
All Departments
Pants
Polos
Sweatshirts
T-Shirts
1 - 19 of 19
NFL NCAA Sideline
Filter
Filters
Top Sellers
sort-by
Lowest Price
Highest Price
Top Sellers
Newest Items
72 Items
page-size
24 Items
48 Items
72 Items
96 Items
Sweatshirts
T-Shirts
San Francisco 49ers
Nike
Men
Sideline Gear
3XL
19 Items
1
1 of 1
$139.99
$
139
99
San Francisco 49ers Nike 2024/25 Sideline Performance Polo - Scarlet
Most Popular
in Polos
$139.99
$
139
99
San Francisco 49ers Nike 2024 Sideline Club Pullover Hoodie - Black
$139.99
$
139
99
San Francisco 49ers Nike 2024 Sideline Club Pullover Hoodie - Scarlet
$155.99
$
155
99
San Francisco 49ers Nike 2024 Sideline Club Full-Zip Hoodie - Black
$73.99
$
73
99
San Francisco 49ers Nike Sideline Performance Long Sleeve T-Shirt - Black
$122.99
$
122
99
San Francisco 49ers Nike 2024 Sideline Victory Performance Polo - Scarlet
Most Popular
in Polos
$131.99
$
131
99
San Francisco 49ers Nike 2022/23 Sideline Lockup Performance Polo - Black
Most Popular
in Polos
$65.99
$
65
99
San Francisco 49ers Nike Sideline Legend Performance T-Shirt - Scarlet
$97.99
$
97
99
San Francisco 49ers Nike Sideline Hoodie Performance Long Sleeve T-Shirt - Scarlet
Most Popular
in Men T-Shirts
$98.99
$
98
99
San Francisco 49ers Nike Sideline Coach UV Performance Long Sleeve T-Shirt - Scarlet
$111.99
$
111
99
San Francisco 49ers Nike 2024 Sideline Club Pants - Black
Most Popular
in Men Pants
$131.99
$
131
99
San Francisco 49ers Nike 2024 Sideline Coaches Long Sleeve Top - Black
$97.99
$
97
99
San Francisco 49ers Nike Sideline Player Performance Long Sleeve T-Shirt - Scarlet
Almost Gone!
$73.99
$
73
99
San Francisco 49ers Nike 2024 Sideline Velocity Performance Long Sleeve T-Shirt - Scarlet
Almost Gone!
$73.99
$
73
99
San Francisco 49ers Nike 2024 Sideline Velocity Performance Long Sleeve T-Shirt - Gray
$159.99
$
159
99
San Francisco 49ers Nike Sideline Jersey Performance Pullover Hoodie - Scarlet
$114.99
$
114
99
San Francisco 49ers Nike Sideline Lock Up Victory Performance Polo - Scarlet
$106.99
$
106
99
San Francisco 49ers Nike Sideline Player Performance T-Shirt - Scarlet
$90.99
$
90
99
San Francisco 49ers Nike 2024 Sideline Coach UV Performance T-Shirt - Scarlet
1
1 of 1
Sweatshirts
T-Shirts
USA
