roller skates size 11

Yes. The product listings use US men's shoe sizing and show size 11 in the titles and sizing notes (labeled "US Men's Shoe Sizes").

The listings specify lace-up closures for securing the foot.

Wheel material is listed as polyurethane. The durometer (hardness) ratings shown in the listings include 82A and 90A.

The product details list the boot uppers as Nylon and Faux Leather.

The listings show weights ranging from 7.5 pounds to 8 pounds.

The product details describe the skates as suitable for indoor rink use and outdoor street skating, and also note use on "various surfaces."