A person stands barefoot against a plain background, wearing Volcom Men’s Foster Mod 21 board shorts featuring a black and white pattern with a green waistband. Only the lower half of their body is visible.
A person standing barefoot, viewed from behind, is wearing the Volcom Men’s Foster Mod 21 shorts. These black shorts feature white spiral stripes, a green waistband, a geometric side design, and a small back label, and are crafted with 4-way stretch fabric for enhanced comfort.
A man stands barefoot in Volcom’s Men’s Foster Mod 21 board shorts, featuring black and white stripes, a green waistband, and a yellow geometric design, crafted with 4-way stretch Mod-Tech fabric, against a plain background.
A person stands barefoot against a plain background, wearing a white T-shirt with a small logo and knee-length Volcom Men’s Foster Mod 21 shorts in black, which feature a distinctive white zebra-like pattern on one side. The shorts are designed with Mod-Tech construction and 4-way stretch for enhanced comfort and flexibility.
A young man with short brown hair is standing barefoot on a white background, wearing the Volcom Men’s Foster Mod 21 black shorts featuring Y2K styling, white stripes, and a yellow design, paired with a white T-shirt.
Introducing the Men’s Foster Mod 21 board shorts by Volcom—crafted with black fabric and a bold yellow waistband, these trunks feature advanced 4-way stretch for maximum comfort and flexibility. One side is adorned with a striking white and black diagonal stripe, while the opposite remains sleekly solid in black, accented by a contemporary geometric yellow and white motif on the left leg. Merging modern performance technology with subtle Y2K-inspired details, these Volcom shorts deliver standout style for
A person stands barefoot against a plain background, wearing Volcom Men’s Foster Mod 21 board shorts featuring a black and white pattern with a green waistband. Only the lower half of their body is visible.

Men's Foster Mod 21

A person stands barefoot against a plain background, wearing Volcom Men’s Foster Mod 21 board shorts featuring a black and white pattern with a green waistband. Only the lower half of their body is visible.

Foster Mod 21" throws it back with Y2K styling, applique logo hits, and novelty embroidery on 4-way stretch Mod-Tech fabric. A 21-inch outseam runs longer, while the Mod-Tech welt pocket with zip and triple-needle inseam bring daily utility and durability. Y2K energy, zero dial-up.

VOLCOM x GORE-TEX

Since 2006, Volcom and GORE-TEX have been creating pinnacle outerwearguaranteed to keep you dry. Explore our full range of 2-Layer and 3-Layer GORE-TEX Outerwear Jacket and Pant styles.

Close-up of dark gray to black textured fabric with water droplets and a stitched seam, featuring the white GORE-TEX logo at the bottom.
Close-up of a person wearing ski goggles with a reflective orange-red lens, a gray knit beanie, a black face mask, and a black jacket against a pale sky background. Large red 'FACE-TECH' text appears at the bottom.

FACE-TECH™

Face it, you need this! Our built-in, removable face mask. is a streamlined interface that connects to your jacket.

ZIP TECH®

Make Falling Enjoyable! Keep Snow Out! Zip Tech is a jacket to pant interface which zips your JACKET to your PANTS. Compatible with any Jacket or Pant with Volcom Zip Tech, no matter when you bought it!

Close-up of a person wearing ski goggles with a reflective orange-red lens, a gray knit beanie, a black face mask, and a black jacket against a pale sky background. Large red 'FACE-TECH' text appears at the bottom.

FACE-TECH™

Face it, you need this! Our built-in, removable face mask. is a streamlined interface that connects to your jacket.