US: 34-36 to United Kingdom Size 32
Cross-market men’s sleepwear conversion mapping 34-36 specifications into 32 for lounge pants, pajama sets, and robes.

Analyzing Sleepwear Size Equivalence Across Markets
US: 34-36: Corresponds to a relaxed chest range of 90–94 (35.4–37 ), elastic waist range of 76–82 (29.9–32.3 ), and fit classification Relaxed / Comfort Fit.
United Kingdom Size 32: Corresponds to a relaxed chest range of 82–86 (32.3–33.9 ), elastic waist range of 68–72 (26.8–28.3 ), and fit classification Relaxed / Comfort Fit.