Plus Size

Sort by:
BIKE Athletic BAS306 Men's Underwear Original Number 10 Jockstrap Color Orange

BIKE Athletic BAS306 Men's Underwear Original Number 10 Jockstrap Color Orange

$ 24.99
Elevate your athletic gear with the legendary BIKE Athletic BAS306 Original Number 10 Jockstrap. This iconic piece of men’s underwear is designed to provide maximum support and comfort during your...
SMLXL2XL
BIKE Athletic Men's Underwear BAS333 Classic Retro: 1980s Jockstrap in Vintage Cream Color Vintage Cream

BIKE Athletic Men's Underwear BAS333 Classic Retro: 1980s Jockstrap in Vintage Cream Color Vintage Cream

$ 38.99$ 32.75
Experience the ultimate throwback with the BIKE Athletic BAS333 1980s Vintage Jockstrap. This iconic piece of men's underwear captures the authentic athletic spirit of the 80s, blending a timeless vintage...
SMLXL2XL
BIKE Athletic Men's Underwear BAS343 Vintage Lace-up Jockstrap - Vintage Cream Color Vintage Cream

BIKE Athletic Men's Underwear BAS343 Vintage Lace-up Jockstrap - Vintage Cream Color Vintage Cream

$ 38.99$ 32.75
Step into a classic era of athletic support with the BIKE Athletic BAS343 Vintage Lace-up Jockstrap. Designed for those who appreciate heritage style without compromising on performance, this jockstrap features...
SMLXL2XL
BIKE Athletic Men's Underwear BAS306 Original Number 10 Jockstrap in Color Royal

BIKE Athletic Men's Underwear BAS306 Original Number 10 Jockstrap in Color Royal

$ 24.99$ 20.75
Experience the legendary support and comfort of the BIKE Athletic Original Number 10 Jockstrap, a true icon in men's athletic wear. This classic piece is designed to provide high-performance security...
SMLXL2XL
BIKE Athletic Men's Underwear BAS304 Classic Jockstrap Color White

BIKE Athletic Men's Underwear BAS304 Classic Jockstrap Color White

$ 18.99$ 15.75
Experience the legacy of a classic with the BIKE Athletic BAS304 Jockstrap, a staple in men's athletic wear designed for those who demand both comfort and reliability. This jockstrap features...
SMLXL2XL
BIKE Athletic Men's Underwear BAS327 Stretch Cotton Brief Color White

BIKE Athletic Men's Underwear BAS327 Stretch Cotton Brief Color White

$ 18.99$ 15.75
Experience the perfect blend of retro athletic style and modern performance with the BIKE Athletic BAS327 Stretch Cotton Briefs. Crafted from a high-quality stretch cotton fabric, these briefs are designed...
SMLXL2XL
BIKE Athletic Men's Underwear BAS306 Original Number 10 Yellow Jockstrap Color Yellow

BIKE Athletic Men's Underwear BAS306 Original Number 10 Yellow Jockstrap Color Yellow

$ 24.99$ 20.75
Elevate your athletic gear with the BIKE Athletic BAS306 Original Number 10 Jockstrap in a vibrant, high-energy yellow. This classic piece of men's underwear is engineered for maximum support and...
SMLXL2XL
Mundo Unico Men's Underwear 26040100225 Amber Boxer Briefs Color 00-White: Premium Comfort

Mundo Unico Men's Underwear 26040100225 Amber Boxer Briefs Color 00-White: Premium Comfort

$ 35.99
Elevate your daily essentials with the Mundo Unico Amber Boxer Briefs, a masterpiece of Colombian craftsmanship. These boxer briefs combine high-quality USA and Colombian fabrics to deliver a soft, breathable...
SMLXL2XL
Mundo Unico Men's Underwear 26040100125 Amber Trunks Color 00-White - Premium Athletic Fit

Mundo Unico Men's Underwear 26040100125 Amber Trunks Color 00-White - Premium Athletic Fit

$ 33.99
Experience the perfect fusion of style and functionality with the Mundo Unico Amber Trunks. Designed for the modern man who values both aesthetics and comfort, these trunks feature a sleek,...
SMLXL2XL
Mundo Unico Men's Underwear 26040100222 Classic Boxer Briefs in Apricot - Essential Comfort Color 40-Apricot

Mundo Unico Men's Underwear 26040100222 Classic Boxer Briefs in Apricot - Essential Comfort Color 40-Apricot

$ 35.99
Experience the perfect fusion of style and support with the Mundo Unico Classic Boxer Briefs in a vibrant apricot shade. These boxer briefs are meticulously designed to offer a snug...
SMLXL2XL
Mundo Unico Men's Underwear 26040100122 Classic Trunks Color 40-Apricot - Premium Support and Style

Mundo Unico Men's Underwear 26040100122 Classic Trunks Color 40-Apricot - Premium Support and Style

$ 33.99
Experience the ultimate in comfort and sophisticated design with the Mundo Unico Classic Trunks in a refreshing apricot hue. Expertly crafted in Colombia using premium USA and Colombian fabrics, these...
SMLXL2XL
Mundo Unico Men's Underwear 26040100212 Tags Boxer Briefs in Color 43-Blue

Mundo Unico Men's Underwear 26040100212 Tags Boxer Briefs in Color 43-Blue

$ 35.99
Experience the perfect blend of artistic expression and athletic performance with the Mundo Unico Tags Boxer Briefs. These premium boxer briefs, crafted in Colombia from high-quality USA and Colombian fabrics,...
SMLXL2XL

Celebrate fall with our Plus Size Men’s Underwear collection—built to keep you confident, comfortable, and camera-ready from Halloween through Thanksgiving weekend. We curated breathable boxers, boxer briefs, trunks, bikinis, thongs, and jockstraps in extended sizes so your base layer looks smooth under costumes, travel outfits, and cozy holiday looks.

Start with the fit that moves like you. Boxer briefs deliver thigh-hugging coverage and a supportive pouch that stays put under jeans and chinos. Trunks offer a shorter leg for a modern line beneath fitted costumes and tailored pants. Prefer minimal coverage? Seamless bikinis and thongs vanish under catsuits and tights, eliminating lines in party photos while keeping you cool under layers. Many styles feature ergonomic pouches, stay-put leg openings, and soft waistbands that lie flat without pinching.

Fabric matters when your calendar is packed. Choose breathable cotton blends for everyday ease, cool-touch microfiber for long travel days, or silky modal for all-night comfort. Mesh panels add airflow for haunted-house queues and crowded dance floors, while moisture-managing finishes help you stay fresh through game day and airport lines. Flat seams and tag-free finishes reduce friction so you can focus on the fun.

Building a costume? Start with a smooth foundation. Wear a seamless trunk or thong under superhero suits, capes, or bodycon looks for clean lines on camera. Add a harness, garters, or a sheer layer for an easy after-dark upgrade. For Thanksgiving, keep it polished but comfortable: ribbed trunks under denim for a backyard football game, or soft boxer briefs beneath tailored pants to keep hemlines crisp in family photos.

Fit guidance made simple. Our size charts help you measure accurately, and product fit notes explain rise, leg length, stretch, and support level. If you’re between sizes, consider the fabric: cotton blends relax slightly with wear, while performance microfiber holds shape during high-movement days. Multipacks let you build a reliable rotation for long weekends and back-to-back events—stock up on neutrals for travel and add a bold color or lace accent for party nights.

Shopping stays streamlined and discreet. Use filters for fabric, rise, coverage, and support to narrow choices quickly. Checkout is secure, processing is quick, and packaging is discreet across the United States and Canada. Many orders qualify for free or priority shipping thresholds, and our customer service team is available 24/7 if you want a second opinion on size or style.

Care is easy: wash gently in cold water, skip fabric softeners, and lay flat to dry to preserve stretch, color, and fit. With thoughtful care, your favorites will feel great well beyond the holiday season.

Why shoppers love our plus size lineup:
• Inclusive sizing designed for real comfort and support.
• Seamless and performance options for costumes, travel, and photos.
• Budget-friendly multipacks and regular seasonal deals.

Own the season with a base layer that works as hard as your plans. Explore Plus Size Men’s Underwear now and build a fall lineup that looks smooth on camera and moves with you from spooky nights to cozy gatherings.