The Mack's Prairie Wings Big Boy Expandable Chest Wader was designed with the big man in mind, the ease of on /off and ease of mobility. Expandable provides an extra 16 inches plus in the torso area and extra roomy thighs. The MPW Big Boy Chest Waders with Macks-imum Seam Sealer have the newly designed seam sealant to prevent seam leakage.
Macks Prairie Wings Waders Demo Videos
Click any of the video links on the left, then click Play to access the Wader How To demos

This expandable wader is loaded with features. Mid-weight 3.5mm neoprene with abrasion-resistant, bi-directional facing. Toasty 1000 gram Thinsulate Ultra Insulation in boot with 6mm Wool Felt Midsole and Power-Cat Omni-Traction outsole. D-Rings, Hand Warmer Chest Pocket and Suspenders with Quick Release Buckles.
All seams are built with Macks-imum Seam Sealer for superior leak protection and don't worry big guys....no fleece lining.Macks imum is actually printed on the inside of the wader in the crotch area, so every time you pull them up you’ll see that statement.

MPW Big Boy Chest Waders Sizing Specifications:
For the Big Boy measurements, simply add 16 inches to each measurement you need.
Please reference the chart for Grand Prairie and Big Ditch waders,. You will see that a size 12 Regular has a 49 inch chest and a 48 inch waist.
So a size 12 Big Boy wader would have a 65 inch chest and a 64 inch waist. This formula will give you the measurements for any size Big Boy wader. As far as min and max, the wader has adjustments on each side to pull it in closer to the body, so it can be fitted to the wearer.