Funny Geometry Shirts For Dads Who Love Math For Christmas!

- Materials: 5.3 oz 100% preshrunk cotton

- More info: Seamless collar, taped neck and shoulders. Double-needle sleeve and bottom hems. Quarter-turned to eliminate center crease.

- Materials: 5.3 oz., pre-shrunk 100% cotton

- More info: Seamless half-inch collar. Side seamed. Cap sleeves. Double-needle stitched hems. Taped neck and shoulders. Tearaway label.

- Materials: 4.2 oz, 100% combed ringspun cotton.

- More info: Supremely soft, superior quality. Modern, slightly fitted shape. Coverstitched v-neck and hemmed sleeves.

- Materials: 4.3-ounce, 100% ring spun combed cotton, 32 singles

- More info: A great quality Ladies V-Neck Shirt with standard sizing and a great feel. Sizes up to 4XL.

- Materials: 4.2 oz., 100% combed and ringspun cotton, 30 singles

- More info: Premium-feel men's/unisex tank-top. Soft material, light weight, with side seams, retail fit.

- Materials: 8 oz 50% cotton, 50% polyester.

- More info: Air Jet Spun Yarn. Double lined hood with matching drawstring. Double-needle stitching. Set-in sleeves. 1x1 athletic rib knit cuffs with Lycra(R)

- Materials: 7.75 oz 50% cotton, 50% polyester.

- More info: Air Jet Spun Yarn. Double-needle stitching. Set-in sleeves. 1x1 Athletic Rib with Lycra(R). Quarter-turned to eliminate center crease.

- Materials: 6.1 oz 100% preshrunk cotton. Sport Grey is 90% cotton, 10% polyester.

- More info: Double-needle stitching, taped neck and shoulders. Quarter-turned to eliminate center crease. Ultra tight knit surface.